21999627

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 13381173

約数列:

[1, 3, 9, 13, 27, 39, 117, 233, 269, 351, 699, 807, 2097, 2421, 3029, 3497, 6291, 7263, 9087, 10491, 27261, 31473, 62677, 81783, 94419, 188031, 564093, 814801, 1692279, 2444403, 7333209, 21999627]

約数ペア:

[(1, 21999627), (3, 7333209), (9, 2444403), (13, 1692279), (27, 814801), (39, 564093), (117, 188031), (233, 94419), (269, 81783), (351, 62677), (699, 31473), (807, 27261), (2097, 10491), (2421, 9087), (3029, 7263), (3497, 6291)]