21616006895

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1\times {\mathrm{5639}}^1$

素因数の和:9215

約数の個数: 32

約数和(自身を含む): 30615183360

約数和(自身を除く): 8999176465

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 3533, 5639, 17665, 24731, 28195, 39473, 109523, 123655, 174809, 197365, 547615, 766661, 874045, 1223663, 3833305, 6118315, 19922587, 99612935, 139458109, 617600197, 697290545, 3088000985, 4323201379, 21616006895]

約数ペア:

[(1, 21616006895), (5, 4323201379), (7, 3088000985), (31, 697290545), (35, 617600197), (155, 139458109), (217, 99612935), (1085, 19922587), (3533, 6118315), (5639, 3833305), (17665, 1223663), (24731, 874045), (28195, 766661), (39473, 547615), (109523, 197365), (123655, 174809)]