21014643

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 30641520

約数和(自身を除く): 9626877

約数列:

[1, 3, 13, 39, 169, 181, 229, 507, 543, 687, 2353, 2977, 7059, 8931, 30589, 38701, 41449, 91767, 116103, 124347, 538837, 1616511, 7004881, 21014643]

約数ペア:

[(1, 21014643), (3, 7004881), (13, 1616511), (39, 538837), (169, 124347), (181, 116103), (229, 91767), (507, 41449), (543, 38701), (687, 30589), (2353, 8931), (2977, 7059)]