21985218

素因数分解:

$2^1\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3853}}^1$

素因数の和:4178

約数の個数: 24

約数和(自身を含む): 47797308

約数和(自身を除く): 25812090

約数列:

[1, 2, 3, 6, 9, 18, 317, 634, 951, 1902, 2853, 3853, 5706, 7706, 11559, 23118, 34677, 69354, 1221401, 2442802, 3664203, 7328406, 10992609, 21985218]

約数ペア:

[(1, 21985218), (2, 10992609), (3, 7328406), (6, 3664203), (9, 2442802), (18, 1221401), (317, 69354), (634, 34677), (951, 23118), (1902, 11559), (2853, 7706), (3853, 5706)]