21268806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 46031328

約数和(自身を除く): 24762522

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 1061, 1542, 2122, 3183, 3341, 6366, 6682, 10023, 13793, 20046, 27586, 41379, 82758, 272677, 545354, 818031, 1636062, 3544801, 7089602, 10634403, 21268806]

約数ペア:

[(1, 21268806), (2, 10634403), (3, 7089602), (6, 3544801), (13, 1636062), (26, 818031), (39, 545354), (78, 272677), (257, 82758), (514, 41379), (771, 27586), (1061, 20046), (1542, 13793), (2122, 10023), (3183, 6682), (3341, 6366)]