21060400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1478

約数の個数: 60

約数和(自身を含む): 52001632

約数和(自身を除く): 30941232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1423, 1480, 1850, 2846, 2960, 3700, 5692, 7115, 7400, 11384, 14230, 14800, 22768, 28460, 35575, 52651, 56920, 71150, 105302, 113840, 142300, 210604, 263255, 284600, 421208, 526510, 569200, 842416, 1053020, 1316275, 2106040, 2632550, 4212080, 5265100, 10530200, 21060400]

約数ペア:

[(1, 21060400), (2, 10530200), (4, 5265100), (5, 4212080), (8, 2632550), (10, 2106040), (16, 1316275), (20, 1053020), (25, 842416), (37, 569200), (40, 526510), (50, 421208), (74, 284600), (80, 263255), (100, 210604), (148, 142300), (185, 113840), (200, 105302), (296, 71150), (370, 56920), (400, 52651), (592, 35575), (740, 28460), (925, 22768), (1423, 14800), (1480, 14230), (1850, 11384), (2846, 7400), (2960, 7115), (3700, 5692)]