21967862

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42409}}^1$

素因数の和:42455

約数の個数: 16

約数和(自身を含む): 38677920

約数和(自身を除く): 16710058

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 42409, 84818, 296863, 593726, 1569133, 3138266, 10983931, 21967862]

約数ペア:

[(1, 21967862), (2, 10983931), (7, 3138266), (14, 1569133), (37, 593726), (74, 296863), (259, 84818), (518, 42409)]