21365435

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{46957}}^1$

素因数の和:46982

約数の個数: 16

約数和(自身を含む): 31555776

約数和(自身を除く): 10190341

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 46957, 234785, 328699, 610441, 1643495, 3052205, 4273087, 21365435]

約数ペア:

[(1, 21365435), (5, 4273087), (7, 3052205), (13, 1643495), (35, 610441), (65, 328699), (91, 234785), (455, 46957)]