21560625

素因数分解:

$3^2\times 5^4\times {\mathrm{3833}}^1$

素因数の和:3859

約数の個数: 30

約数和(自身を含む): 38926602

約数和(自身を除く): 17365977

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3833, 5625, 11499, 19165, 34497, 57495, 95825, 172485, 287475, 479125, 862425, 1437375, 2395625, 4312125, 7186875, 21560625]

約数ペア:

[(1, 21560625), (3, 7186875), (5, 4312125), (9, 2395625), (15, 1437375), (25, 862425), (45, 479125), (75, 287475), (125, 172485), (225, 95825), (375, 57495), (625, 34497), (1125, 19165), (1875, 11499), (3833, 5625)]