21924160

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:671

約数の個数: 56

約数和(自身を含む): 52706016

約数和(自身を除く): 30781856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 523, 524, 655, 1046, 1048, 1310, 2092, 2096, 2615, 2620, 4184, 4192, 5230, 5240, 8368, 8384, 10460, 10480, 16736, 20920, 20960, 33472, 41840, 41920, 68513, 83680, 137026, 167360, 274052, 342565, 548104, 685130, 1096208, 1370260, 2192416, 2740520, 4384832, 5481040, 10962080, 21924160]

約数ペア:

[(1, 21924160), (2, 10962080), (4, 5481040), (5, 4384832), (8, 2740520), (10, 2192416), (16, 1370260), (20, 1096208), (32, 685130), (40, 548104), (64, 342565), (80, 274052), (131, 167360), (160, 137026), (262, 83680), (320, 68513), (523, 41920), (524, 41840), (655, 33472), (1046, 20960), (1048, 20920), (1310, 16736), (2092, 10480), (2096, 10460), (2615, 8384), (2620, 8368), (4184, 5240), (4192, 5230)]