21467380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97579}}^1$

素因数の和:97599

約数の個数: 24

約数和(自身を含む): 49180320

約数和(自身を除く): 27712940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97579, 195158, 390316, 487895, 975790, 1073369, 1951580, 2146738, 4293476, 5366845, 10733690, 21467380]

約数ペア:

[(1, 21467380), (2, 10733690), (4, 5366845), (5, 4293476), (10, 2146738), (11, 1951580), (20, 1073369), (22, 975790), (44, 487895), (55, 390316), (110, 195158), (220, 97579)]