21074586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{997}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 45604608

約数和(自身を除く): 24530022

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 997, 1626, 1994, 2991, 3523, 5982, 7046, 10569, 12961, 21138, 25922, 38883, 77766, 270187, 540374, 810561, 1621122, 3512431, 7024862, 10537293, 21074586]

約数ペア:

[(1, 21074586), (2, 10537293), (3, 7024862), (6, 3512431), (13, 1621122), (26, 810561), (39, 540374), (78, 270187), (271, 77766), (542, 38883), (813, 25922), (997, 21138), (1626, 12961), (1994, 10569), (2991, 7046), (3523, 5982)]