21154404

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13457}}^1$

素因数の和:13595

約数の個数: 24

約数和(自身を含む): 49740768

約数和(自身を除く): 28586364

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13457, 26914, 40371, 53828, 80742, 161484, 1762867, 3525734, 5288601, 7051468, 10577202, 21154404]

約数ペア:

[(1, 21154404), (2, 10577202), (3, 7051468), (4, 5288601), (6, 3525734), (12, 1762867), (131, 161484), (262, 80742), (393, 53828), (524, 40371), (786, 26914), (1572, 13457)]