21967600

素因数分解:

$2^4\times 5^2\times {\mathrm{54919}}^1$

素因数の和:54937

約数の個数: 30

約数和(自身を含む): 52778120

約数和(自身を除く): 30810520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54919, 109838, 219676, 274595, 439352, 549190, 878704, 1098380, 1372975, 2196760, 2745950, 4393520, 5491900, 10983800, 21967600]

約数ペア:

[(1, 21967600), (2, 10983800), (4, 5491900), (5, 4393520), (8, 2745950), (10, 2196760), (16, 1372975), (20, 1098380), (25, 878704), (40, 549190), (50, 439352), (80, 274595), (100, 219676), (200, 109838), (400, 54919)]