21418935552

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4243}}^1$

素因数の和:4585

約数の個数: 216

約数和(自身を含む): 70820544704

約数和(自身を除く): 49401609152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 313, 336, 384, 448, 504, 576, 626, 672, 768, 896, 939, 1008, 1152, 1252, 1344, 1792, 1878, 2016, 2191, 2304, 2504, 2688, 2817, 3756, 4032, 4243, 4382, 5008, 5376, 5634, 6573, 7512, 8064, 8486, 8764, 10016, 11268, 12729, 13146, 15024, 16128, 16972, 17528, 19719, 20032, 22536, 25458, 26292, 29701, 30048, 33944, 35056, 38187, 39438, 40064, 45072, 50916, 52584, 59402, 60096, 67888, 70112, 76374, 78876, 80128, 89103, 90144, 101832, 105168, 118804, 120192, 135776, 140224, 152748, 157752, 178206, 180288, 203664, 210336, 237608, 240384, 267309, 271552, 280448, 305496, 315504, 356412, 360576, 407328, 420672, 475216, 534618, 543104, 560896, 610992, 631008, 712824, 721152, 814656, 841344, 950432, 1069236, 1086208, 1221984, 1262016, 1328059, 1425648, 1629312, 1682688, 1900864, 2138472, 2443968, 2524032, 2656118, 2851296, 3258624, 3801728, 3984177, 4276944, 4887936, 5048064, 5312236, 5702592, 7603456, 7968354, 8553888, 9296413, 9775872, 10624472, 11405184, 11952531, 15936708, 17107776, 18592826, 21248944, 22810368, 23905062, 27889239, 31873416, 34215552, 37185652, 42497888, 47810124, 55778478, 63746832, 68431104, 74371304, 83667717, 84995776, 95620248, 111556956, 127493664, 148742608, 167335434, 169991552, 191240496, 223113912, 254987328, 297485216, 334670868, 339983104, 382480992, 446227824, 509974656, 594970432, 669341736, 764961984, 892455648, 1019949312, 1189940864, 1338683472, 1529923968, 1784911296, 2379881728, 2677366944, 3059847936, 3569822592, 5354733888, 7139645184, 10709467776, 21418935552]

約数ペア:

[(1, 21418935552), (2, 10709467776), (3, 7139645184), (4, 5354733888), (6, 3569822592), (7, 3059847936), (8, 2677366944), (9, 2379881728), (12, 1784911296), (14, 1529923968), (16, 1338683472), (18, 1189940864), (21, 1019949312), (24, 892455648), (28, 764961984), (32, 669341736), (36, 594970432), (42, 509974656), (48, 446227824), (56, 382480992), (63, 339983104), (64, 334670868), (72, 297485216), (84, 254987328), (96, 223113912), (112, 191240496), (126, 169991552), (128, 167335434), (144, 148742608), (168, 127493664), (192, 111556956), (224, 95620248), (252, 84995776), (256, 83667717), (288, 74371304), (313, 68431104), (336, 63746832), (384, 55778478), (448, 47810124), (504, 42497888), (576, 37185652), (626, 34215552), (672, 31873416), (768, 27889239), (896, 23905062), (939, 22810368), (1008, 21248944), (1152, 18592826), (1252, 17107776), (1344, 15936708), (1792, 11952531), (1878, 11405184), (2016, 10624472), (2191, 9775872), (2304, 9296413), (2504, 8553888), (2688, 7968354), (2817, 7603456), (3756, 5702592), (4032, 5312236), (4243, 5048064), (4382, 4887936), (5008, 4276944), (5376, 3984177), (5634, 3801728), (6573, 3258624), (7512, 2851296), (8064, 2656118), (8486, 2524032), (8764, 2443968), (10016, 2138472), (11268, 1900864), (12729, 1682688), (13146, 1629312), (15024, 1425648), (16128, 1328059), (16972, 1262016), (17528, 1221984), (19719, 1086208), (20032, 1069236), (22536, 950432), (25458, 841344), (26292, 814656), (29701, 721152), (30048, 712824), (33944, 631008), (35056, 610992), (38187, 560896), (39438, 543104), (40064, 534618), (45072, 475216), (50916, 420672), (52584, 407328), (59402, 360576), (60096, 356412), (67888, 315504), (70112, 305496), (76374, 280448), (78876, 271552), (80128, 267309), (89103, 240384), (90144, 237608), (101832, 210336), (105168, 203664), (118804, 180288), (120192, 178206), (135776, 157752), (140224, 152748)]