21811625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 30775680

約数和(自身を除く): 8964055

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 547, 725, 1375, 1595, 2735, 3625, 6017, 7975, 13675, 15863, 30085, 39875, 68375, 79315, 150425, 174493, 396575, 752125, 872465, 1982875, 4362325, 21811625]

約数ペア:

[(1, 21811625), (5, 4362325), (11, 1982875), (25, 872465), (29, 752125), (55, 396575), (125, 174493), (145, 150425), (275, 79315), (319, 68375), (547, 39875), (725, 30085), (1375, 15863), (1595, 13675), (2735, 7975), (3625, 6017)]