21842769

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2843}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 31534272

約数和(自身を除く): 9691503

約数列:

[1, 3, 13, 39, 197, 591, 2561, 2843, 7683, 8529, 36959, 110877, 560071, 1680213, 7280923, 21842769]

約数ペア:

[(1, 21842769), (3, 7280923), (13, 1680213), (39, 560071), (197, 110877), (591, 36959), (2561, 8529), (2843, 7683)]