21134564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3181}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 40627776

約数和(自身を除く): 19493212

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3181, 3322, 6362, 6644, 12724, 34991, 69982, 139964, 480331, 960662, 1921324, 5283641, 10567282, 21134564]

約数ペア:

[(1, 21134564), (2, 10567282), (4, 5283641), (11, 1921324), (22, 960662), (44, 480331), (151, 139964), (302, 69982), (604, 34991), (1661, 12724), (3181, 6644), (3322, 6362)]