21526492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1193}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 40720176

約数和(自身を除く): 19193684

約数列:

[1, 2, 4, 13, 26, 52, 347, 694, 1193, 1388, 2386, 4511, 4772, 9022, 15509, 18044, 31018, 62036, 413971, 827942, 1655884, 5381623, 10763246, 21526492]

約数ペア:

[(1, 21526492), (2, 10763246), (4, 5381623), (13, 1655884), (26, 827942), (52, 413971), (347, 62036), (694, 31018), (1193, 18044), (1388, 15509), (2386, 9022), (4511, 4772)]