21016860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350281}}^1$

素因数の和:350293

約数の個数: 24

約数和(自身を含む): 58847376

約数和(自身を除く): 37830516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350281, 700562, 1050843, 1401124, 1751405, 2101686, 3502810, 4203372, 5254215, 7005620, 10508430, 21016860]

約数ペア:

[(1, 21016860), (2, 10508430), (3, 7005620), (4, 5254215), (5, 4203372), (6, 3502810), (10, 2101686), (12, 1751405), (15, 1401124), (20, 1050843), (30, 700562), (60, 350281)]