21000453596

素因数分解:

$2^2\times {\mathrm{397}}^2\times {\mathrm{33311}}^1$

素因数の和:34109

約数の個数: 18

約数和(自身を含む): 36844704288

約数和(自身を除く): 15844250692

約数列:

[1, 2, 4, 397, 794, 1588, 33311, 66622, 133244, 157609, 315218, 630436, 13224467, 26448934, 52897868, 5250113399, 10500226798, 21000453596]

約数ペア:

[(1, 21000453596), (2, 10500226798), (4, 5250113399), (397, 52897868), (794, 26448934), (1588, 13224467), (33311, 630436), (66622, 315218), (133244, 157609)]