21553807

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 25228800

約数和(自身を除く): 3674993

約数列:

[1, 11, 17, 79, 187, 869, 1343, 1459, 14773, 16049, 24803, 115261, 272833, 1267871, 1959437, 21553807]

約数ペア:

[(1, 21553807), (11, 1959437), (17, 1267871), (79, 272833), (187, 115261), (869, 24803), (1343, 16049), (1459, 14773)]