21317376

素因数分解:

$2^8\times 3^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 58204944

約数和(自身を除く): 36887568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 656, 677, 768, 984, 1312, 1354, 1968, 2031, 2624, 2708, 3936, 4062, 5248, 5416, 7872, 8124, 10496, 10832, 15744, 16248, 21664, 27757, 31488, 32496, 43328, 55514, 64992, 83271, 86656, 111028, 129984, 166542, 173312, 222056, 259968, 333084, 444112, 519936, 666168, 888224, 1332336, 1776448, 2664672, 3552896, 5329344, 7105792, 10658688, 21317376]

約数ペア:

[(1, 21317376), (2, 10658688), (3, 7105792), (4, 5329344), (6, 3552896), (8, 2664672), (12, 1776448), (16, 1332336), (24, 888224), (32, 666168), (41, 519936), (48, 444112), (64, 333084), (82, 259968), (96, 222056), (123, 173312), (128, 166542), (164, 129984), (192, 111028), (246, 86656), (256, 83271), (328, 64992), (384, 55514), (492, 43328), (656, 32496), (677, 31488), (768, 27757), (984, 21664), (1312, 16248), (1354, 15744), (1968, 10832), (2031, 10496), (2624, 8124), (2708, 7872), (3936, 5416), (4062, 5248)]