21168430

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14207}}^1$

素因数の和:14363

約数の個数: 16

約数和(自身を含む): 38361600

約数和(自身を除く): 17193170

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14207, 28414, 71035, 142070, 2116843, 4233686, 10584215, 21168430]

約数ペア:

[(1, 21168430), (2, 10584215), (5, 4233686), (10, 2116843), (149, 142070), (298, 71035), (745, 28414), (1490, 14207)]