21274838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7507}}^1$

素因数の和:7631

約数の個数: 16

約数和(自身を含む): 34686960

約数和(自身を除く): 13412122

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7507, 15014, 97591, 195182, 818263, 1636526, 10637419, 21274838]

約数ペア:

[(1, 21274838), (2, 10637419), (13, 1636526), (26, 818263), (109, 195182), (218, 97591), (1417, 15014), (2834, 7507)]