21351786

素因数分解:

$2^1\times 3^1\times {\mathrm{619}}^1\times {\mathrm{5749}}^1$

素因数の和:6373

約数の個数: 16

約数和(自身を含む): 42780000

約数和(自身を除く): 21428214

約数列:

[1, 2, 3, 6, 619, 1238, 1857, 3714, 5749, 11498, 17247, 34494, 3558631, 7117262, 10675893, 21351786]

約数ペア:

[(1, 21351786), (2, 10675893), (3, 7117262), (6, 3558631), (619, 34494), (1238, 17247), (1857, 11498), (3714, 5749)]