21651741952

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{2689}}^1$

素因数の和:3219

約数の個数: 72

約数和(自身を含む): 43942893120

約数和(自身を除く): 22291151168

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 443, 568, 886, 1136, 1772, 2272, 2689, 3544, 4544, 5378, 7088, 9088, 10756, 14176, 18176, 21512, 28352, 31453, 43024, 56704, 62906, 86048, 113408, 125812, 172096, 190919, 251624, 344192, 381838, 503248, 688384, 763676, 1006496, 1191227, 1527352, 2012992, 2382454, 3054704, 4025984, 4764908, 6109408, 8051968, 9529816, 12218816, 19059632, 24437632, 38119264, 48875264, 76238528, 84577117, 152477056, 169154234, 304954112, 338308468, 676616936, 1353233872, 2706467744, 5412935488, 10825870976, 21651741952]

約数ペア:

[(1, 21651741952), (2, 10825870976), (4, 5412935488), (8, 2706467744), (16, 1353233872), (32, 676616936), (64, 338308468), (71, 304954112), (128, 169154234), (142, 152477056), (256, 84577117), (284, 76238528), (443, 48875264), (568, 38119264), (886, 24437632), (1136, 19059632), (1772, 12218816), (2272, 9529816), (2689, 8051968), (3544, 6109408), (4544, 4764908), (5378, 4025984), (7088, 3054704), (9088, 2382454), (10756, 2012992), (14176, 1527352), (18176, 1191227), (21512, 1006496), (28352, 763676), (31453, 688384), (43024, 503248), (56704, 381838), (62906, 344192), (86048, 251624), (113408, 190919), (125812, 172096)]