21308266728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{2243}}^1$

素因数の和:2429

約数の個数: 256

約数和(自身を含む): 69452697600

約数和(自身を除く): 48144430872

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, 103, 108, 122, 126, 168, 183, 189, 206, 216, 244, 252, 309, 366, 378, 412, 427, 488, 504, 549, 618, 721, 732, 756, 824, 854, 927, 1098, 1236, 1281, 1442, 1464, 1512, 1647, 1708, 1854, 2163, 2196, 2243, 2472, 2562, 2781, 2884, 3294, 3416, 3708, 3843, 4326, 4392, 4486, 5124, 5562, 5768, 6283, 6489, 6588, 6729, 7416, 7686, 8652, 8972, 10248, 11124, 11529, 12566, 12978, 13176, 13458, 15372, 15701, 17304, 17944, 18849, 19467, 20187, 22248, 23058, 25132, 25956, 26916, 30744, 31402, 37698, 38934, 40374, 43981, 46116, 47103, 50264, 51912, 53832, 56547, 60561, 62804, 75396, 77868, 80748, 87962, 92232, 94206, 113094, 121122, 125608, 131943, 136823, 141309, 150792, 155736, 161496, 169641, 175924, 188412, 226188, 231029, 242244, 263886, 273646, 282618, 339282, 351848, 376824, 395829, 410469, 423927, 452376, 462058, 484488, 527772, 547292, 565236, 678564, 693087, 791658, 820938, 847854, 924116, 957761, 1055544, 1094584, 1130472, 1187487, 1231407, 1357128, 1386174, 1583316, 1617203, 1641876, 1695708, 1848232, 1915522, 2079261, 2374974, 2462814, 2772348, 2873283, 3166632, 3234406, 3283752, 3391416, 3694221, 3831044, 4158522, 4749948, 4851609, 4925628, 5544696, 5746566, 6237783, 6468812, 7388442, 7662088, 8317044, 8619849, 9499896, 9703218, 9851256, 11493132, 12475566, 12937624, 14092769, 14554827, 14776884, 16634088, 17239698, 19406436, 22986264, 24951132, 25859547, 28185538, 29109654, 29553768, 34479396, 38812872, 42278307, 43664481, 49902264, 51719094, 56371076, 58219308, 68958792, 84556614, 87328962, 98649383, 103438188, 112742152, 116438616, 126834921, 169113228, 174657924, 197298766, 206876376, 253669842, 295948149, 338226456, 349315848, 380504763, 394597532, 507339684, 591896298, 761009526, 789195064, 887844447, 1014679368, 1183792596, 1522019052, 1775688894, 2367585192, 2663533341, 3044038104, 3551377788, 5327066682, 7102755576, 10654133364, 21308266728]

約数ペア:

[(1, 21308266728), (2, 10654133364), (3, 7102755576), (4, 5327066682), (6, 3551377788), (7, 3044038104), (8, 2663533341), (9, 2367585192), (12, 1775688894), (14, 1522019052), (18, 1183792596), (21, 1014679368), (24, 887844447), (27, 789195064), (28, 761009526), (36, 591896298), (42, 507339684), (54, 394597532), (56, 380504763), (61, 349315848), (63, 338226456), (72, 295948149), (84, 253669842), (103, 206876376), (108, 197298766), (122, 174657924), (126, 169113228), (168, 126834921), (183, 116438616), (189, 112742152), (206, 103438188), (216, 98649383), (244, 87328962), (252, 84556614), (309, 68958792), (366, 58219308), (378, 56371076), (412, 51719094), (427, 49902264), (488, 43664481), (504, 42278307), (549, 38812872), (618, 34479396), (721, 29553768), (732, 29109654), (756, 28185538), (824, 25859547), (854, 24951132), (927, 22986264), (1098, 19406436), (1236, 17239698), (1281, 16634088), (1442, 14776884), (1464, 14554827), (1512, 14092769), (1647, 12937624), (1708, 12475566), (1854, 11493132), (2163, 9851256), (2196, 9703218), (2243, 9499896), (2472, 8619849), (2562, 8317044), (2781, 7662088), (2884, 7388442), (3294, 6468812), (3416, 6237783), (3708, 5746566), (3843, 5544696), (4326, 4925628), (4392, 4851609), (4486, 4749948), (5124, 4158522), (5562, 3831044), (5768, 3694221), (6283, 3391416), (6489, 3283752), (6588, 3234406), (6729, 3166632), (7416, 2873283), (7686, 2772348), (8652, 2462814), (8972, 2374974), (10248, 2079261), (11124, 1915522), (11529, 1848232), (12566, 1695708), (12978, 1641876), (13176, 1617203), (13458, 1583316), (15372, 1386174), (15701, 1357128), (17304, 1231407), (17944, 1187487), (18849, 1130472), (19467, 1094584), (20187, 1055544), (22248, 957761), (23058, 924116), (25132, 847854), (25956, 820938), (26916, 791658), (30744, 693087), (31402, 678564), (37698, 565236), (38934, 547292), (40374, 527772), (43981, 484488), (46116, 462058), (47103, 452376), (50264, 423927), (51912, 410469), (53832, 395829), (56547, 376824), (60561, 351848), (62804, 339282), (75396, 282618), (77868, 273646), (80748, 263886), (87962, 242244), (92232, 231029), (94206, 226188), (113094, 188412), (121122, 175924), (125608, 169641), (131943, 161496), (136823, 155736), (141309, 150792)]