21395050

素因数分解:

$2^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1627}}^1$

素因数の和:1902

約数の個数: 24

約数和(自身を含む): 39970656

約数和(自身を除く): 18575606

約数列:

[1, 2, 5, 10, 25, 50, 263, 526, 1315, 1627, 2630, 3254, 6575, 8135, 13150, 16270, 40675, 81350, 427901, 855802, 2139505, 4279010, 10697525, 21395050]

約数ペア:

[(1, 21395050), (2, 10697525), (5, 4279010), (10, 2139505), (25, 855802), (50, 427901), (263, 81350), (526, 40675), (1315, 16270), (1627, 13150), (2630, 8135), (3254, 6575)]