21710690

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19213}}^1$

素因数の和:19333

約数の個数: 16

約数和(自身を含む): 39427128

約数和(自身を除く): 17716438

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 19213, 38426, 96065, 192130, 2171069, 4342138, 10855345, 21710690]

約数ペア:

[(1, 21710690), (2, 10855345), (5, 4342138), (10, 2171069), (113, 192130), (226, 96065), (565, 38426), (1130, 19213)]