21430917

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5449}}^1$

素因数の和:5497

約数の個数: 24

約数和(自身を含む): 34008000

約数和(自身を除く): 12577083

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5449, 16347, 49041, 103531, 125327, 310593, 375981, 931779, 1127943, 2381213, 7143639, 21430917]

約数ペア:

[(1, 21430917), (3, 7143639), (9, 2381213), (19, 1127943), (23, 931779), (57, 375981), (69, 310593), (171, 125327), (207, 103531), (437, 49041), (1311, 16347), (3933, 5449)]