21181494

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 43997184

約数和(自身を除く): 22815690

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 263, 433, 526, 789, 866, 1299, 1578, 2598, 8153, 13423, 16306, 24459, 26846, 40269, 48918, 80538, 113879, 227758, 341637, 683274, 3530249, 7060498, 10590747, 21181494]

約数ペア:

[(1, 21181494), (2, 10590747), (3, 7060498), (6, 3530249), (31, 683274), (62, 341637), (93, 227758), (186, 113879), (263, 80538), (433, 48918), (526, 40269), (789, 26846), (866, 24459), (1299, 16306), (1578, 13423), (2598, 8153)]