21826370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 40563072

約数和(自身を除く): 18736702

約数列:

[1, 2, 5, 10, 43, 86, 193, 215, 263, 386, 430, 526, 965, 1315, 1930, 2630, 8299, 11309, 16598, 22618, 41495, 50759, 56545, 82990, 101518, 113090, 253795, 507590, 2182637, 4365274, 10913185, 21826370]

約数ペア:

[(1, 21826370), (2, 10913185), (5, 4365274), (10, 2182637), (43, 507590), (86, 253795), (193, 113090), (215, 101518), (263, 82990), (386, 56545), (430, 50759), (526, 41495), (965, 22618), (1315, 16598), (1930, 11309), (2630, 8299)]