21434450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 21312814

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 151, 167, 170, 302, 334, 425, 755, 835, 850, 1510, 1670, 2567, 2839, 3775, 4175, 5134, 5678, 7550, 8350, 12835, 14195, 25217, 25670, 28390, 50434, 64175, 70975, 126085, 128350, 141950, 252170, 428689, 630425, 857378, 1260850, 2143445, 4286890, 10717225, 21434450]

約数ペア:

[(1, 21434450), (2, 10717225), (5, 4286890), (10, 2143445), (17, 1260850), (25, 857378), (34, 630425), (50, 428689), (85, 252170), (151, 141950), (167, 128350), (170, 126085), (302, 70975), (334, 64175), (425, 50434), (755, 28390), (835, 25670), (850, 25217), (1510, 14195), (1670, 12835), (2567, 8350), (2839, 7550), (3775, 5678), (4175, 5134)]