21715504

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 43711488

約数和(自身を除く): 21995984

約数列:

[1, 2, 4, 8, 16, 47, 67, 94, 134, 188, 268, 376, 431, 536, 752, 862, 1072, 1724, 3149, 3448, 6298, 6896, 12596, 20257, 25192, 28877, 40514, 50384, 57754, 81028, 115508, 162056, 231016, 324112, 462032, 1357219, 2714438, 5428876, 10857752, 21715504]

約数ペア:

[(1, 21715504), (2, 10857752), (4, 5428876), (8, 2714438), (16, 1357219), (47, 462032), (67, 324112), (94, 231016), (134, 162056), (188, 115508), (268, 81028), (376, 57754), (431, 50384), (536, 40514), (752, 28877), (862, 25192), (1072, 20257), (1724, 12596), (3149, 6896), (3448, 6298)]