21341800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6277}}^1$

素因数の和:6310

約数の個数: 48

約数和(自身を含む): 52546860

約数和(自身を除く): 31205060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6277, 12554, 25108, 31385, 50216, 62770, 106709, 125540, 156925, 213418, 251080, 313850, 426836, 533545, 627700, 853672, 1067090, 1255400, 2134180, 2667725, 4268360, 5335450, 10670900, 21341800]

約数ペア:

[(1, 21341800), (2, 10670900), (4, 5335450), (5, 4268360), (8, 2667725), (10, 2134180), (17, 1255400), (20, 1067090), (25, 853672), (34, 627700), (40, 533545), (50, 426836), (68, 313850), (85, 251080), (100, 213418), (136, 156925), (170, 125540), (200, 106709), (340, 62770), (425, 50216), (680, 31385), (850, 25108), (1700, 12554), (3400, 6277)]