21182091

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5281}}^1$

素因数の和:5482

約数の個数: 16

約数和(自身を含む): 32452608

約数和(自身を除く): 11270517

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5281, 15843, 36967, 110901, 1008671, 3026013, 7060697, 21182091]

約数ペア:

[(1, 21182091), (3, 7060697), (7, 3026013), (21, 1008671), (191, 110901), (573, 36967), (1337, 15843), (4011, 5281)]