21362960

素因数分解:

$2^4\times 5^1\times {\mathrm{267037}}^1$

素因数の和:267050

約数の個数: 20

約数和(自身を含む): 49669068

約数和(自身を除く): 28306108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 267037, 534074, 1068148, 1335185, 2136296, 2670370, 4272592, 5340740, 10681480, 21362960]

約数ペア:

[(1, 21362960), (2, 10681480), (4, 5340740), (5, 4272592), (8, 2670370), (10, 2136296), (16, 1335185), (20, 1068148), (40, 534074), (80, 267037)]