21855564

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12917}}^1$

素因数の和:12974

約数の個数: 36

約数和(自身を含む): 56425824

約数和(自身を除く): 34570260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12917, 25834, 38751, 51668, 77502, 116253, 155004, 232506, 465012, 607099, 1214198, 1821297, 2428396, 3642594, 5463891, 7285188, 10927782, 21855564]

約数ペア:

[(1, 21855564), (2, 10927782), (3, 7285188), (4, 5463891), (6, 3642594), (9, 2428396), (12, 1821297), (18, 1214198), (36, 607099), (47, 465012), (94, 232506), (141, 155004), (188, 116253), (282, 77502), (423, 51668), (564, 38751), (846, 25834), (1692, 12917)]