21880334

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25621}}^1$

素因数の和:25691

約数の個数: 16

約数和(自身を含む): 38125536

約数和(自身を除く): 16245202

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25621, 51242, 179347, 358694, 1562881, 3125762, 10940167, 21880334]

約数ペア:

[(1, 21880334), (2, 10940167), (7, 3125762), (14, 1562881), (61, 358694), (122, 179347), (427, 51242), (854, 25621)]