21890977251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1\times {\mathrm{22669}}^1$

素因数の和:24947

約数の個数: 32

約数和(自身を含む): 34307508480

約数和(自身を除く): 12416531229

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 2251, 6753, 22669, 24761, 29263, 68007, 74283, 87789, 249359, 294697, 321893, 748077, 884091, 965679, 3241667, 9725001, 51027919, 153083757, 561307109, 663362947, 1683921327, 1990088841, 7296992417, 21890977251]

約数ペア:

[(1, 21890977251), (3, 7296992417), (11, 1990088841), (13, 1683921327), (33, 663362947), (39, 561307109), (143, 153083757), (429, 51027919), (2251, 9725001), (6753, 3241667), (22669, 965679), (24761, 884091), (29263, 748077), (68007, 321893), (74283, 294697), (87789, 249359)]