21014721036

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1329709}}^1$

素因数の和:1330158

約数の個数: 36

約数和(自身を含む): 53241588400

約数和(自身を除く): 32226867364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5268, 7902, 15804, 1329709, 2659418, 3989127, 5318836, 7978254, 11967381, 15956508, 23934762, 47869524, 583742251, 1167484502, 1751226753, 2334969004, 3502453506, 5253680259, 7004907012, 10507360518, 21014721036]

約数ペア:

[(1, 21014721036), (2, 10507360518), (3, 7004907012), (4, 5253680259), (6, 3502453506), (9, 2334969004), (12, 1751226753), (18, 1167484502), (36, 583742251), (439, 47869524), (878, 23934762), (1317, 15956508), (1756, 11967381), (2634, 7978254), (3951, 5318836), (5268, 3989127), (7902, 2659418), (15804, 1329709)]