21348796

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12923}}^1$

素因数の和:12993

約数の個数: 24

約数和(自身を含む): 43424640

約数和(自身を除く): 22075844

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12923, 25846, 51692, 90461, 180922, 361844, 762457, 1524914, 3049828, 5337199, 10674398, 21348796]

約数ペア:

[(1, 21348796), (2, 10674398), (4, 5337199), (7, 3049828), (14, 1524914), (28, 762457), (59, 361844), (118, 180922), (236, 90461), (413, 51692), (826, 25846), (1652, 12923)]