21558450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 54032256

約数和(自身を除く): 32473806

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 101, 150, 202, 303, 505, 606, 1010, 1423, 1515, 2525, 2846, 3030, 4269, 5050, 7115, 7575, 8538, 14230, 15150, 21345, 35575, 42690, 71150, 106725, 143723, 213450, 287446, 431169, 718615, 862338, 1437230, 2155845, 3593075, 4311690, 7186150, 10779225, 21558450]

約数ペア:

[(1, 21558450), (2, 10779225), (3, 7186150), (5, 4311690), (6, 3593075), (10, 2155845), (15, 1437230), (25, 862338), (30, 718615), (50, 431169), (75, 287446), (101, 213450), (150, 143723), (202, 106725), (303, 71150), (505, 42690), (606, 35575), (1010, 21345), (1423, 15150), (1515, 14230), (2525, 8538), (2846, 7575), (3030, 7115), (4269, 5050)]