21172318

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8329}}^1$

素因数の和:8403

約数の個数: 16

約数和(自身を含む): 33586560

約数和(自身を除く): 12414242

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8329, 16658, 258199, 341489, 516398, 682978, 10586159, 21172318]

約数ペア:

[(1, 21172318), (2, 10586159), (31, 682978), (41, 516398), (62, 341489), (82, 258199), (1271, 16658), (2542, 8329)]