21268130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163601}}^1$

素因数の和:163621

約数の個数: 16

約数和(自身を含む): 41227704

約数和(自身を除く): 19959574

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163601, 327202, 818005, 1636010, 2126813, 4253626, 10634065, 21268130]

約数ペア:

[(1, 21268130), (2, 10634065), (5, 4253626), (10, 2126813), (13, 1636010), (26, 818005), (65, 327202), (130, 163601)]