21974589

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3833}}^1$

素因数の和:3866

約数の個数: 36

約数和(自身を含む): 39773916

約数和(自身を除く): 17799327

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3833, 5733, 11499, 26831, 34497, 49829, 80493, 149487, 187817, 241479, 348803, 448461, 563451, 1046409, 1690353, 2441621, 3139227, 7324863, 21974589]

約数ペア:

[(1, 21974589), (3, 7324863), (7, 3139227), (9, 2441621), (13, 1690353), (21, 1046409), (39, 563451), (49, 448461), (63, 348803), (91, 241479), (117, 187817), (147, 149487), (273, 80493), (441, 49829), (637, 34497), (819, 26831), (1911, 11499), (3833, 5733)]