21610043

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 28748160

約数和(自身を除く): 7138117

約数列:

[1, 7, 13, 17, 61, 91, 119, 221, 229, 427, 793, 1037, 1547, 1603, 2977, 3893, 5551, 7259, 13481, 13969, 20839, 27251, 50609, 94367, 97783, 181597, 237473, 354263, 1271179, 1662311, 3087149, 21610043]

約数ペア:

[(1, 21610043), (7, 3087149), (13, 1662311), (17, 1271179), (61, 354263), (91, 237473), (119, 181597), (221, 97783), (229, 94367), (427, 50609), (793, 27251), (1037, 20839), (1547, 13969), (1603, 13481), (2977, 7259), (3893, 5551)]