21006556

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3853}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 38848320

約数和(自身を除く): 17841764

約数列:

[1, 2, 4, 29, 47, 58, 94, 116, 188, 1363, 2726, 3853, 5452, 7706, 15412, 111737, 181091, 223474, 362182, 446948, 724364, 5251639, 10503278, 21006556]

約数ペア:

[(1, 21006556), (2, 10503278), (4, 5251639), (29, 724364), (47, 446948), (58, 362182), (94, 223474), (116, 181091), (188, 111737), (1363, 15412), (2726, 7706), (3853, 5452)]