21496137

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6977}}^1$

素因数の和:7072

約数の個数: 16

約数和(自身を含む): 31261440

約数和(自身を除く): 9765303

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6977, 20931, 90701, 272103, 551183, 1653549, 7165379, 21496137]

約数ペア:

[(1, 21496137), (3, 7165379), (13, 1653549), (39, 551183), (79, 272103), (237, 90701), (1027, 20931), (3081, 6977)]