21552398

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25237}}^1$

素因数の和:25307

約数の個数: 16

約数和(自身を含む): 37554144

約数和(自身を除く): 16001746

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25237, 50474, 176659, 353318, 1539457, 3078914, 10776199, 21552398]

約数ペア:

[(1, 21552398), (2, 10776199), (7, 3078914), (14, 1539457), (61, 353318), (122, 176659), (427, 50474), (854, 25237)]