21250188

素因数分解:

$2^2\times 3^4\times {\mathrm{65587}}^1$

素因数の和:65603

約数の個数: 30

約数和(自身を含む): 55553036

約数和(自身を除く): 34302848

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65587, 131174, 196761, 262348, 393522, 590283, 787044, 1180566, 1770849, 2361132, 3541698, 5312547, 7083396, 10625094, 21250188]

約数ペア:

[(1, 21250188), (2, 10625094), (3, 7083396), (4, 5312547), (6, 3541698), (9, 2361132), (12, 1770849), (18, 1180566), (27, 787044), (36, 590283), (54, 393522), (81, 262348), (108, 196761), (162, 131174), (324, 65587)]