21421012

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 38455200

約数和(自身を除く): 17034188

約数列:

[1, 2, 4, 59, 118, 139, 236, 278, 556, 653, 1306, 2612, 8201, 16402, 32804, 38527, 77054, 90767, 154108, 181534, 363068, 5355253, 10710506, 21421012]

約数ペア:

[(1, 21421012), (2, 10710506), (4, 5355253), (59, 363068), (118, 181534), (139, 154108), (236, 90767), (278, 77054), (556, 38527), (653, 32804), (1306, 16402), (2612, 8201)]