21302547

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59671}}^1$

素因数の和:59698

約数の個数: 16

約数和(自身を含む): 34371072

約数和(自身を除く): 13068525

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59671, 179013, 417697, 1014407, 1253091, 3043221, 7100849, 21302547]

約数ペア:

[(1, 21302547), (3, 7100849), (7, 3043221), (17, 1253091), (21, 1014407), (51, 417697), (119, 179013), (357, 59671)]