21933145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 9419687

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 863, 1105, 1495, 1955, 4315, 5083, 11219, 14671, 19849, 25415, 56095, 73355, 99245, 190723, 258037, 337433, 953615, 1290185, 1687165, 4386629, 21933145]

約数ペア:

[(1, 21933145), (5, 4386629), (13, 1687165), (17, 1290185), (23, 953615), (65, 337433), (85, 258037), (115, 190723), (221, 99245), (299, 73355), (391, 56095), (863, 25415), (1105, 19849), (1495, 14671), (1955, 11219), (4315, 5083)]