21961026

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4639}}^1$

素因数の和:4910

約数の個数: 24

約数和(自身を含む): 47773440

約数和(自身を除く): 25812414

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4639, 4734, 9278, 13917, 27834, 41751, 83502, 1220057, 2440114, 3660171, 7320342, 10980513, 21961026]

約数ペア:

[(1, 21961026), (2, 10980513), (3, 7320342), (6, 3660171), (9, 2440114), (18, 1220057), (263, 83502), (526, 41751), (789, 27834), (1578, 13917), (2367, 9278), (4639, 4734)]