21441459

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4013}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 31020192

約数和(自身を除く): 9578733

約数列:

[1, 3, 13, 39, 137, 411, 1781, 4013, 5343, 12039, 52169, 156507, 549781, 1649343, 7147153, 21441459]

約数ペア:

[(1, 21441459), (3, 7147153), (13, 1649343), (39, 549781), (137, 156507), (411, 52169), (1781, 12039), (4013, 5343)]