21431602

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8431}}^1$

素因数の和:8505

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 12566222

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8431, 16862, 261361, 345671, 522722, 691342, 10715801, 21431602]

約数ペア:

[(1, 21431602), (2, 10715801), (31, 691342), (41, 522722), (62, 345671), (82, 261361), (1271, 16862), (2542, 8431)]