21663250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12379}}^1$

素因数の和:12403

約数の個数: 32

約数和(自身を含む): 46350720

約数和(自身を除く): 24687470

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12379, 24758, 61895, 86653, 123790, 173306, 309475, 433265, 618950, 866530, 1547375, 2166325, 3094750, 4332650, 10831625, 21663250]

約数ペア:

[(1, 21663250), (2, 10831625), (5, 4332650), (7, 3094750), (10, 2166325), (14, 1547375), (25, 866530), (35, 618950), (50, 433265), (70, 309475), (125, 173306), (175, 123790), (250, 86653), (350, 61895), (875, 24758), (1750, 12379)]