210006993

素因数分解:

$3^1\times 7^2\times {\mathrm{857}}^1\times {\mathrm{1667}}^1$

素因数の和:2541

約数の個数: 24

約数和(自身を含む): 326300832

約数和(自身を除く): 116293839

約数列:

[1, 3, 7, 21, 49, 147, 857, 1667, 2571, 5001, 5999, 11669, 17997, 35007, 41993, 81683, 125979, 245049, 1428619, 4285857, 10000333, 30000999, 70002331, 210006993]

約数ペア:

[(1, 210006993), (3, 70002331), (7, 30000999), (21, 10000333), (49, 4285857), (147, 1428619), (857, 245049), (1667, 125979), (2571, 81683), (5001, 41993), (5999, 35007), (11669, 17997)]