21167118515

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{1523}}^1\times {\mathrm{26987}}^1$

素因数の和:28618

約数の個数: 16

約数和(自身を含む): 25664940288

約数和(自身を除く): 4497821773

約数列:

[1, 5, 103, 515, 1523, 7615, 26987, 134935, 156869, 784345, 2779661, 13898305, 41101201, 205506005, 4233423703, 21167118515]

約数ペア:

[(1, 21167118515), (5, 4233423703), (103, 205506005), (515, 41101201), (1523, 13898305), (7615, 2779661), (26987, 784345), (134935, 156869)]