21565115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30161}}^1$

素因数の和:30190

約数の個数: 16

約数和(自身を含む): 30403296

約数和(自身を除く): 8838181

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30161, 150805, 331771, 392093, 1658855, 1960465, 4313023, 21565115]

約数ペア:

[(1, 21565115), (5, 4313023), (11, 1960465), (13, 1658855), (55, 392093), (65, 331771), (143, 150805), (715, 30161)]