21441069

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 33509112

約数和(自身を除く): 12068043

約数列:

[1, 3, 9, 13, 39, 117, 401, 457, 1203, 1371, 3609, 4113, 5213, 5941, 15639, 17823, 46917, 53469, 183257, 549771, 1649313, 2382341, 7147023, 21441069]

約数ペア:

[(1, 21441069), (3, 7147023), (9, 2382341), (13, 1649313), (39, 549771), (117, 183257), (401, 53469), (457, 46917), (1203, 17823), (1371, 15639), (3609, 5941), (4113, 5213)]