21235929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12632871

約数列:

[1, 3, 11, 13, 33, 39, 59, 143, 177, 429, 649, 767, 839, 1947, 2301, 2517, 8437, 9229, 10907, 25311, 27687, 32721, 49501, 119977, 148503, 359931, 544511, 643513, 1633533, 1930539, 7078643, 21235929]

約数ペア:

[(1, 21235929), (3, 7078643), (11, 1930539), (13, 1633533), (33, 643513), (39, 544511), (59, 359931), (143, 148503), (177, 119977), (429, 49501), (649, 32721), (767, 27687), (839, 25311), (1947, 10907), (2301, 9229), (2517, 8437)]