21383200

素因数分解:

$2^5\times 5^2\times {\mathrm{26729}}^1$

素因数の和:26749

約数の個数: 36

約数和(自身を含む): 52203690

約数和(自身を除く): 30820490

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26729, 53458, 106916, 133645, 213832, 267290, 427664, 534580, 668225, 855328, 1069160, 1336450, 2138320, 2672900, 4276640, 5345800, 10691600, 21383200]

約数ペア:

[(1, 21383200), (2, 10691600), (4, 5345800), (5, 4276640), (8, 2672900), (10, 2138320), (16, 1336450), (20, 1069160), (25, 855328), (32, 668225), (40, 534580), (50, 427664), (80, 267290), (100, 213832), (160, 133645), (200, 106916), (400, 53458), (800, 26729)]