21140930

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25471}}^1$

素因数の和:25561

約数の個数: 16

約数和(自身を含む): 38513664

約数和(自身を除く): 17372734

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25471, 50942, 127355, 254710, 2114093, 4228186, 10570465, 21140930]

約数ペア:

[(1, 21140930), (2, 10570465), (5, 4228186), (10, 2114093), (83, 254710), (166, 127355), (415, 50942), (830, 25471)]