21360800

素因数分解:

$2^5\times 5^2\times {\mathrm{26701}}^1$

素因数の和:26721

約数の個数: 36

約数和(自身を含む): 52149006

約数和(自身を除く): 30788206

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26701, 53402, 106804, 133505, 213608, 267010, 427216, 534020, 667525, 854432, 1068040, 1335050, 2136080, 2670100, 4272160, 5340200, 10680400, 21360800]

約数ペア:

[(1, 21360800), (2, 10680400), (4, 5340200), (5, 4272160), (8, 2670100), (10, 2136080), (16, 1335050), (20, 1068040), (25, 854432), (32, 667525), (40, 534020), (50, 427216), (80, 267010), (100, 213608), (160, 133505), (200, 106804), (400, 53402), (800, 26701)]