21972634

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2137}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 33942888

約数和(自身を除く): 11970254

約数列:

[1, 2, 53, 97, 106, 194, 2137, 4274, 5141, 10282, 113261, 207289, 226522, 414578, 10986317, 21972634]

約数ペア:

[(1, 21972634), (2, 10986317), (53, 414578), (97, 226522), (106, 207289), (194, 113261), (2137, 10282), (4274, 5141)]