21039938309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1307}}^1\times {\mathrm{16963}}^1$

素因数の和:18356

約数の個数: 16

約数和(自身を含む): 22987712832

約数和(自身を除く): 1947774523

約数列:

[1, 13, 73, 949, 1307, 16963, 16991, 95411, 220519, 1238299, 1240343, 16097887, 22170641, 288218333, 1618456793, 21039938309]

約数ペア:

[(1, 21039938309), (13, 1618456793), (73, 288218333), (949, 22170641), (1307, 16097887), (16963, 1240343), (16991, 1238299), (95411, 220519)]