21558832

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 22188368

約数列:

[1, 2, 4, 8, 16, 29, 58, 97, 116, 194, 232, 388, 464, 479, 776, 958, 1552, 1916, 2813, 3832, 5626, 7664, 11252, 13891, 22504, 27782, 45008, 46463, 55564, 92926, 111128, 185852, 222256, 371704, 743408, 1347427, 2694854, 5389708, 10779416, 21558832]

約数ペア:

[(1, 21558832), (2, 10779416), (4, 5389708), (8, 2694854), (16, 1347427), (29, 743408), (58, 371704), (97, 222256), (116, 185852), (194, 111128), (232, 92926), (388, 55564), (464, 46463), (479, 45008), (776, 27782), (958, 22504), (1552, 13891), (1916, 11252), (2813, 7664), (3832, 5626)]