21000718525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{47591}}^1$

素因数の和:48549

約数の個数: 24

約数和(自身を含む): 27441547200

約数和(自身を除く): 6440828675

約数列:

[1, 5, 19, 25, 95, 475, 929, 4645, 17651, 23225, 47591, 88255, 237955, 441275, 904229, 1189775, 4521145, 22605725, 44212039, 221060195, 840028741, 1105300975, 4200143705, 21000718525]

約数ペア:

[(1, 21000718525), (5, 4200143705), (19, 1105300975), (25, 840028741), (95, 221060195), (475, 44212039), (929, 22605725), (4645, 4521145), (17651, 1189775), (23225, 904229), (47591, 441275), (88255, 237955)]