21331336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 43263360

約数和(自身を除く): 21932024

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 443, 463, 886, 926, 1772, 1852, 3544, 3704, 5759, 6019, 11518, 12038, 23036, 24076, 46072, 48152, 205109, 410218, 820436, 1640872, 2666417, 5332834, 10665668, 21331336]

約数ペア:

[(1, 21331336), (2, 10665668), (4, 5332834), (8, 2666417), (13, 1640872), (26, 820436), (52, 410218), (104, 205109), (443, 48152), (463, 46072), (886, 24076), (926, 23036), (1772, 12038), (1852, 11518), (3544, 6019), (3704, 5759)]