21420775558

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{418849}}^1$

素因数の和:419152

約数の個数: 32

約数和(自身を含む): 39686875200

約数和(自身を除く): 18266099642

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 281, 562, 1967, 3653, 3934, 7306, 25571, 51142, 418849, 837698, 2931943, 5445037, 5863886, 10890074, 38115259, 76230518, 117696569, 235393138, 823875983, 1530055397, 1647751966, 3060110794, 10710387779, 21420775558]

約数ペア:

[(1, 21420775558), (2, 10710387779), (7, 3060110794), (13, 1647751966), (14, 1530055397), (26, 823875983), (91, 235393138), (182, 117696569), (281, 76230518), (562, 38115259), (1967, 10890074), (3653, 5863886), (3934, 5445037), (7306, 2931943), (25571, 837698), (51142, 418849)]