21341270

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14323}}^1$

素因数の和:14479

約数の個数: 16

約数和(自身を含む): 38674800

約数和(自身を除く): 17333530

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14323, 28646, 71615, 143230, 2134127, 4268254, 10670635, 21341270]

約数ペア:

[(1, 21341270), (2, 10670635), (5, 4268254), (10, 2134127), (149, 143230), (298, 71615), (745, 28646), (1490, 14323)]