21728291256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2647}}^1$

素因数の和:2819

約数の個数: 256

約数和(自身を含む): 70924032000

約数和(自身を除く): 49195740744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 84, 89, 108, 122, 126, 168, 178, 183, 189, 216, 244, 252, 267, 356, 366, 378, 427, 488, 504, 534, 549, 623, 712, 732, 756, 801, 854, 1068, 1098, 1246, 1281, 1464, 1512, 1602, 1647, 1708, 1869, 2136, 2196, 2403, 2492, 2562, 2647, 3204, 3294, 3416, 3738, 3843, 4392, 4806, 4984, 5124, 5294, 5429, 5607, 6408, 6588, 7476, 7686, 7941, 9612, 10248, 10588, 10858, 11214, 11529, 13176, 14952, 15372, 15882, 16287, 16821, 18529, 19224, 21176, 21716, 22428, 23058, 23823, 30744, 31764, 32574, 33642, 37058, 38003, 43432, 44856, 46116, 47646, 48861, 55587, 63528, 65148, 67284, 71469, 74116, 76006, 92232, 95292, 97722, 111174, 114009, 130296, 134568, 142938, 146583, 148232, 152012, 161467, 166761, 190584, 195444, 222348, 228018, 235583, 285876, 293166, 304024, 322934, 333522, 342027, 390888, 444696, 456036, 471166, 484401, 500283, 571752, 586332, 645868, 667044, 684054, 706749, 912072, 942332, 968802, 1000566, 1026081, 1130269, 1172664, 1291736, 1334088, 1368108, 1413498, 1453203, 1649081, 1884664, 1937604, 2001132, 2052162, 2120247, 2260538, 2736216, 2826996, 2906406, 3298162, 3390807, 3875208, 4002264, 4104324, 4240494, 4359609, 4521076, 4947243, 5653992, 5812812, 6360741, 6596324, 6781614, 8208648, 8480988, 8719218, 9042152, 9894486, 10172421, 11625624, 12721482, 13192648, 13563228, 14370563, 14841729, 16961976, 17438436, 19788972, 20344842, 25442964, 27126456, 28741126, 29683458, 30517263, 34876872, 39577944, 40689684, 43111689, 44525187, 50885928, 57482252, 59366916, 61034526, 81379368, 86223378, 89050374, 100593941, 114964504, 118733832, 122069052, 129335067, 172446756, 178100748, 201187882, 244138104, 258670134, 301781823, 344893512, 356201496, 388005201, 402375764, 517340268, 603563646, 776010402, 804751528, 905345469, 1034680536, 1207127292, 1552020804, 1810690938, 2414254584, 2716036407, 3104041608, 3621381876, 5432072814, 7242763752, 10864145628, 21728291256]

約数ペア:

[(1, 21728291256), (2, 10864145628), (3, 7242763752), (4, 5432072814), (6, 3621381876), (7, 3104041608), (8, 2716036407), (9, 2414254584), (12, 1810690938), (14, 1552020804), (18, 1207127292), (21, 1034680536), (24, 905345469), (27, 804751528), (28, 776010402), (36, 603563646), (42, 517340268), (54, 402375764), (56, 388005201), (61, 356201496), (63, 344893512), (72, 301781823), (84, 258670134), (89, 244138104), (108, 201187882), (122, 178100748), (126, 172446756), (168, 129335067), (178, 122069052), (183, 118733832), (189, 114964504), (216, 100593941), (244, 89050374), (252, 86223378), (267, 81379368), (356, 61034526), (366, 59366916), (378, 57482252), (427, 50885928), (488, 44525187), (504, 43111689), (534, 40689684), (549, 39577944), (623, 34876872), (712, 30517263), (732, 29683458), (756, 28741126), (801, 27126456), (854, 25442964), (1068, 20344842), (1098, 19788972), (1246, 17438436), (1281, 16961976), (1464, 14841729), (1512, 14370563), (1602, 13563228), (1647, 13192648), (1708, 12721482), (1869, 11625624), (2136, 10172421), (2196, 9894486), (2403, 9042152), (2492, 8719218), (2562, 8480988), (2647, 8208648), (3204, 6781614), (3294, 6596324), (3416, 6360741), (3738, 5812812), (3843, 5653992), (4392, 4947243), (4806, 4521076), (4984, 4359609), (5124, 4240494), (5294, 4104324), (5429, 4002264), (5607, 3875208), (6408, 3390807), (6588, 3298162), (7476, 2906406), (7686, 2826996), (7941, 2736216), (9612, 2260538), (10248, 2120247), (10588, 2052162), (10858, 2001132), (11214, 1937604), (11529, 1884664), (13176, 1649081), (14952, 1453203), (15372, 1413498), (15882, 1368108), (16287, 1334088), (16821, 1291736), (18529, 1172664), (19224, 1130269), (21176, 1026081), (21716, 1000566), (22428, 968802), (23058, 942332), (23823, 912072), (30744, 706749), (31764, 684054), (32574, 667044), (33642, 645868), (37058, 586332), (38003, 571752), (43432, 500283), (44856, 484401), (46116, 471166), (47646, 456036), (48861, 444696), (55587, 390888), (63528, 342027), (65148, 333522), (67284, 322934), (71469, 304024), (74116, 293166), (76006, 285876), (92232, 235583), (95292, 228018), (97722, 222348), (111174, 195444), (114009, 190584), (130296, 166761), (134568, 161467), (142938, 152012), (146583, 148232)]