21513900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71713}}^1$

素因数の和:71730

約数の個数: 36

約数和(自身を含む): 62247752

約数和(自身を除く): 40733852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 71713, 143426, 215139, 286852, 358565, 430278, 717130, 860556, 1075695, 1434260, 1792825, 2151390, 3585650, 4302780, 5378475, 7171300, 10756950, 21513900]

約数ペア:

[(1, 21513900), (2, 10756950), (3, 7171300), (4, 5378475), (5, 4302780), (6, 3585650), (10, 2151390), (12, 1792825), (15, 1434260), (20, 1075695), (25, 860556), (30, 717130), (50, 430278), (60, 358565), (75, 286852), (100, 215139), (150, 143426), (300, 71713)]