21167299075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{608693}}^1$

素因数の和:608823

約数の個数: 24

約数和(自身を含む): 28530705168

約数和(自身を除く): 7363406093

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 1391, 2675, 6955, 34775, 608693, 3043465, 7913009, 15217325, 39565045, 65130151, 197825225, 325650755, 846691963, 1628253775, 4233459815, 21167299075]

約数ペア:

[(1, 21167299075), (5, 4233459815), (13, 1628253775), (25, 846691963), (65, 325650755), (107, 197825225), (325, 65130151), (535, 39565045), (1391, 15217325), (2675, 7913009), (6955, 3043465), (34775, 608693)]