21556792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3833}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 43707600

約数和(自身を除く): 22150808

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3833, 5624, 7666, 15332, 30664, 72827, 141821, 145654, 283642, 291308, 567284, 582616, 1134568, 2694599, 5389198, 10778396, 21556792]

約数ペア:

[(1, 21556792), (2, 10778396), (4, 5389198), (8, 2694599), (19, 1134568), (37, 582616), (38, 567284), (74, 291308), (76, 283642), (148, 145654), (152, 141821), (296, 72827), (703, 30664), (1406, 15332), (2812, 7666), (3833, 5624)]