21301600

素因数分解:

$2^5\times 5^2\times {\mathrm{26627}}^1$

素因数の和:26647

約数の個数: 36

約数和(自身を含む): 52004484

約数和(自身を除く): 30702884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26627, 53254, 106508, 133135, 213016, 266270, 426032, 532540, 665675, 852064, 1065080, 1331350, 2130160, 2662700, 4260320, 5325400, 10650800, 21301600]

約数ペア:

[(1, 21301600), (2, 10650800), (4, 5325400), (5, 4260320), (8, 2662700), (10, 2130160), (16, 1331350), (20, 1065080), (25, 852064), (32, 665675), (40, 532540), (50, 426032), (80, 266270), (100, 213016), (160, 133135), (200, 106508), (400, 53254), (800, 26627)]