21031870508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2426381}}^1$

素因数の和:2426593

約数の個数: 24

約数和(自身を含む): 40355585424

約数和(自身を除く): 19323714916

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 2426381, 4852762, 9705524, 26690191, 53380382, 106760764, 477997057, 955994114, 1911988228, 5257967627, 10515935254, 21031870508]

約数ペア:

[(1, 21031870508), (2, 10515935254), (4, 5257967627), (11, 1911988228), (22, 955994114), (44, 477997057), (197, 106760764), (394, 53380382), (788, 26690191), (2167, 9705524), (4334, 4852762), (8668, 2426381)]