21261050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25013}}^1$

素因数の和:25042

約数の個数: 24

約数和(自身を含む): 41873436

約数和(自身を除く): 20612386

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25013, 50026, 125065, 250130, 425221, 625325, 850442, 1250650, 2126105, 4252210, 10630525, 21261050]

約数ペア:

[(1, 21261050), (2, 10630525), (5, 4252210), (10, 2126105), (17, 1250650), (25, 850442), (34, 625325), (50, 425221), (85, 250130), (170, 125065), (425, 50026), (850, 25013)]