21152934

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30687066

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 149, 198, 239, 297, 298, 447, 478, 594, 717, 894, 1341, 1434, 1639, 2151, 2629, 2682, 3278, 4023, 4302, 4917, 5258, 6453, 7887, 8046, 9834, 12906, 14751, 15774, 23661, 29502, 35611, 44253, 47322, 70983, 71222, 88506, 106833, 141966, 213666, 320499, 391721, 640998, 783442, 961497, 1175163, 1922994, 2350326, 3525489, 7050978, 10576467, 21152934]

約数ペア:

[(1, 21152934), (2, 10576467), (3, 7050978), (6, 3525489), (9, 2350326), (11, 1922994), (18, 1175163), (22, 961497), (27, 783442), (33, 640998), (54, 391721), (66, 320499), (99, 213666), (149, 141966), (198, 106833), (239, 88506), (297, 71222), (298, 70983), (447, 47322), (478, 44253), (594, 35611), (717, 29502), (894, 23661), (1341, 15774), (1434, 14751), (1639, 12906), (2151, 9834), (2629, 8046), (2682, 7887), (3278, 6453), (4023, 5258), (4302, 4917)]