21694543

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 25528608

約数和(自身を除く): 3834065

約数列:

[1, 13, 23, 37, 53, 299, 481, 689, 851, 1219, 1369, 1961, 11063, 15847, 17797, 25493, 31487, 45103, 72557, 409331, 586339, 943241, 1668811, 21694543]

約数ペア:

[(1, 21694543), (13, 1668811), (23, 943241), (37, 586339), (53, 409331), (299, 72557), (481, 45103), (689, 31487), (851, 25493), (1219, 17797), (1369, 15847), (1961, 11063)]