21258354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{607}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 24706446

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 449, 607, 898, 1214, 1347, 1821, 2694, 3642, 5837, 7891, 11674, 15782, 17511, 23673, 35022, 47346, 272543, 545086, 817629, 1635258, 3543059, 7086118, 10629177, 21258354]

約数ペア:

[(1, 21258354), (2, 10629177), (3, 7086118), (6, 3543059), (13, 1635258), (26, 817629), (39, 545086), (78, 272543), (449, 47346), (607, 35022), (898, 23673), (1214, 17511), (1347, 15782), (1821, 11674), (2694, 7891), (3642, 5837)]