21871014

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 29139546

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 107, 114, 163, 209, 214, 321, 326, 418, 489, 627, 642, 978, 1177, 1254, 1793, 2033, 2354, 3097, 3531, 3586, 4066, 5379, 6099, 6194, 7062, 9291, 10758, 12198, 17441, 18582, 22363, 34067, 34882, 44726, 52323, 67089, 68134, 102201, 104646, 134178, 191851, 204402, 331379, 383702, 575553, 662758, 994137, 1151106, 1988274, 3645169, 7290338, 10935507, 21871014]

約数ペア:

[(1, 21871014), (2, 10935507), (3, 7290338), (6, 3645169), (11, 1988274), (19, 1151106), (22, 994137), (33, 662758), (38, 575553), (57, 383702), (66, 331379), (107, 204402), (114, 191851), (163, 134178), (209, 104646), (214, 102201), (321, 68134), (326, 67089), (418, 52323), (489, 44726), (627, 34882), (642, 34067), (978, 22363), (1177, 18582), (1254, 17441), (1793, 12198), (2033, 10758), (2354, 9291), (3097, 7062), (3531, 6194), (3586, 6099), (4066, 5379)]