21495270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 55630080

約数和(自身を除く): 34134810

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 817, 877, 1290, 1634, 1754, 2451, 2631, 4085, 4385, 4902, 5262, 8170, 8770, 12255, 13155, 16663, 24510, 26310, 33326, 37711, 49989, 75422, 83315, 99978, 113133, 166630, 188555, 226266, 249945, 377110, 499890, 565665, 716509, 1131330, 1433018, 2149527, 3582545, 4299054, 7165090, 10747635, 21495270]

約数ペア:

[(1, 21495270), (2, 10747635), (3, 7165090), (5, 4299054), (6, 3582545), (10, 2149527), (15, 1433018), (19, 1131330), (30, 716509), (38, 565665), (43, 499890), (57, 377110), (86, 249945), (95, 226266), (114, 188555), (129, 166630), (190, 113133), (215, 99978), (258, 83315), (285, 75422), (430, 49989), (570, 37711), (645, 33326), (817, 26310), (877, 24510), (1290, 16663), (1634, 13155), (1754, 12255), (2451, 8770), (2631, 8170), (4085, 5262), (4385, 4902)]