21190814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5749}}^1$

素因数の和:5867

約数の個数: 16

約数和(自身を含む): 33810000

約数和(自身を除く): 12619186

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5749, 11498, 109231, 218462, 557653, 1115306, 10595407, 21190814]

約数ペア:

[(1, 21190814), (2, 10595407), (19, 1115306), (38, 557653), (97, 218462), (194, 109231), (1843, 11498), (3686, 5749)]