21765601

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 26209512

約数和(自身を除く): 4443911

約数列:

[1, 11, 13, 101, 121, 137, 143, 1111, 1313, 1507, 1573, 1781, 12221, 13837, 14443, 16577, 19591, 152207, 158873, 179881, 215501, 1674277, 1978691, 21765601]

約数ペア:

[(1, 21765601), (11, 1978691), (13, 1674277), (101, 215501), (121, 179881), (137, 158873), (143, 152207), (1111, 19591), (1313, 16577), (1507, 14443), (1573, 13837), (1781, 12221)]