21925834

素因数分解:

$2^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1222

約数の個数: 24

約数和(自身を含む): 38464740

約数和(自身を除く): 16538906

約数列:

[1, 2, 7, 14, 49, 98, 229, 458, 977, 1603, 1954, 3206, 6839, 11221, 13678, 22442, 47873, 95746, 223733, 447466, 1566131, 3132262, 10962917, 21925834]

約数ペア:

[(1, 21925834), (2, 10962917), (7, 3132262), (14, 1566131), (49, 447466), (98, 223733), (229, 95746), (458, 47873), (977, 22442), (1603, 13678), (1954, 11221), (3206, 6839)]