21283450

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2819}}^1$

素因数の和:2982

約数の個数: 24

約数和(自身を含む): 39863520

約数和(自身を除く): 18580070

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 2819, 3775, 5638, 7550, 14095, 28190, 70475, 140950, 425669, 851338, 2128345, 4256690, 10641725, 21283450]

約数ペア:

[(1, 21283450), (2, 10641725), (5, 4256690), (10, 2128345), (25, 851338), (50, 425669), (151, 140950), (302, 70475), (755, 28190), (1510, 14095), (2819, 7550), (3775, 5638)]