21886683

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{881}}^1$

素因数の和:924

約数の個数: 36

約数和(自身を含む): 36800568

約数和(自身を除く): 14913885

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 881, 1183, 1911, 2643, 3549, 6167, 8281, 11453, 18501, 24843, 34359, 43169, 80171, 129507, 148889, 240513, 446667, 561197, 1042223, 1683591, 3126669, 7295561, 21886683]

約数ペア:

[(1, 21886683), (3, 7295561), (7, 3126669), (13, 1683591), (21, 1042223), (39, 561197), (49, 446667), (91, 240513), (147, 148889), (169, 129507), (273, 80171), (507, 43169), (637, 34359), (881, 24843), (1183, 18501), (1911, 11453), (2643, 8281), (3549, 6167)]