21879187828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{13757}}^1$

素因数の和:14136

約数の個数: 48

約数和(自身を含む): 40772108160

約数和(自身を除く): 18892920332

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 293, 586, 1172, 1357, 2714, 5428, 6739, 13478, 13757, 17287, 26956, 27514, 34574, 55028, 69148, 316411, 397601, 632822, 795202, 811663, 1265644, 1590404, 1623326, 3246652, 4030801, 8061602, 16123204, 18668249, 37336498, 74672996, 92708423, 185416846, 237817259, 370833692, 475634518, 951269036, 5469796957, 10939593914, 21879187828]

約数ペア:

[(1, 21879187828), (2, 10939593914), (4, 5469796957), (23, 951269036), (46, 475634518), (59, 370833692), (92, 237817259), (118, 185416846), (236, 92708423), (293, 74672996), (586, 37336498), (1172, 18668249), (1357, 16123204), (2714, 8061602), (5428, 4030801), (6739, 3246652), (13478, 1623326), (13757, 1590404), (17287, 1265644), (26956, 811663), (27514, 795202), (34574, 632822), (55028, 397601), (69148, 316411)]