21461476

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 16923164

約数列:

[1, 2, 4, 83, 127, 166, 254, 332, 508, 509, 1018, 2036, 10541, 21082, 42164, 42247, 64643, 84494, 129286, 168988, 258572, 5365369, 10730738, 21461476]

約数ペア:

[(1, 21461476), (2, 10730738), (4, 5365369), (83, 258572), (127, 168988), (166, 129286), (254, 84494), (332, 64643), (508, 42247), (509, 42164), (1018, 21082), (2036, 10541)]