21646683

素因数分解:

$3^5\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 32650800

約数和(自身を除く): 11004117

約数列:

[1, 3, 9, 27, 81, 229, 243, 389, 687, 1167, 2061, 3501, 6183, 10503, 18549, 31509, 55647, 89081, 94527, 267243, 801729, 2405187, 7215561, 21646683]

約数ペア:

[(1, 21646683), (3, 7215561), (9, 2405187), (27, 801729), (81, 267243), (229, 94527), (243, 89081), (389, 55647), (687, 31509), (1167, 18549), (2061, 10503), (3501, 6183)]