21072050

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2791}}^1$

素因数の和:2954

約数の個数: 24

約数和(自身を含む): 39467712

約数和(自身を除く): 18395662

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 2791, 3775, 5582, 7550, 13955, 27910, 69775, 139550, 421441, 842882, 2107205, 4214410, 10536025, 21072050]

約数ペア:

[(1, 21072050), (2, 10536025), (5, 4214410), (10, 2107205), (25, 842882), (50, 421441), (151, 139550), (302, 69775), (755, 27910), (1510, 13955), (2791, 7550), (3775, 5582)]