21398200564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{12953}}^1\times {\mathrm{31769}}^1$

素因数の和:44739

約数の個数: 24

約数和(自身を含む): 40331760840

約数和(自身を除く): 18933560276

約数列:

[1, 2, 4, 13, 26, 52, 12953, 25906, 31769, 51812, 63538, 127076, 168389, 336778, 412997, 673556, 825994, 1651988, 411503857, 823007714, 1646015428, 5349550141, 10699100282, 21398200564]

約数ペア:

[(1, 21398200564), (2, 10699100282), (4, 5349550141), (13, 1646015428), (26, 823007714), (52, 411503857), (12953, 1651988), (25906, 825994), (31769, 673556), (51812, 412997), (63538, 336778), (127076, 168389)]