21119522

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 32594400

約数和(自身を除く): 11474878

約数列:

[1, 2, 59, 89, 118, 178, 2011, 4022, 5251, 10502, 118649, 178979, 237298, 357958, 10559761, 21119522]

約数ペア:

[(1, 21119522), (2, 10559761), (59, 357958), (89, 237298), (118, 178979), (178, 118649), (2011, 10502), (4022, 5251)]