21329200

素因数分解:

$2^4\times 5^2\times {\mathrm{53323}}^1$

素因数の和:53341

約数の個数: 30

約数和(自身を含む): 51244364

約数和(自身を除く): 29915164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53323, 106646, 213292, 266615, 426584, 533230, 853168, 1066460, 1333075, 2132920, 2666150, 4265840, 5332300, 10664600, 21329200]

約数ペア:

[(1, 21329200), (2, 10664600), (4, 5332300), (5, 4265840), (8, 2666150), (10, 2132920), (16, 1333075), (20, 1066460), (25, 853168), (40, 533230), (50, 426584), (80, 266615), (100, 213292), (200, 106646), (400, 53323)]