21102368505

素因数分解:

$3^1\times 5^1\times {\mathrm{8243}}^1\times {\mathrm{170669}}^1$

素因数の和:178920

約数の個数: 16

約数和(自身を含む): 33768083520

約数和(自身を除く): 12665715015

約数列:

[1, 3, 5, 15, 8243, 24729, 41215, 123645, 170669, 512007, 853345, 2560035, 1406824567, 4220473701, 7034122835, 21102368505]

約数ペア:

[(1, 21102368505), (3, 7034122835), (5, 4220473701), (15, 1406824567), (8243, 2560035), (24729, 853345), (41215, 512007), (123645, 170669)]