21080186

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3301}}^1$

素因数の和:3437

約数の個数: 16

約数和(自身を含む): 32967168

約数和(自身を除く): 11886982

約数列:

[1, 2, 31, 62, 103, 206, 3193, 3301, 6386, 6602, 102331, 204662, 340003, 680006, 10540093, 21080186]

約数ペア:

[(1, 21080186), (2, 10540093), (31, 680006), (62, 340003), (103, 204662), (206, 102331), (3193, 6602), (3301, 6386)]