21995650

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{4271}}^1$

素因数の和:4386

約数の個数: 24

約数和(自身を含む): 41318784

約数和(自身を除く): 19323134

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 4271, 5150, 8542, 21355, 42710, 106775, 213550, 439913, 879826, 2199565, 4399130, 10997825, 21995650]

約数ペア:

[(1, 21995650), (2, 10997825), (5, 4399130), (10, 2199565), (25, 879826), (50, 439913), (103, 213550), (206, 106775), (515, 42710), (1030, 21355), (2575, 8542), (4271, 5150)]