21354138

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 53827200

約数和(自身を除く): 32473062

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1601, 2223, 3202, 4446, 4803, 6669, 9606, 13338, 14409, 20813, 28818, 30419, 41626, 43227, 60838, 62439, 86454, 91257, 124878, 182514, 187317, 273771, 374634, 395447, 547542, 561951, 790894, 821313, 1123902, 1186341, 1642626, 2372682, 3559023, 7118046, 10677069, 21354138]

約数ペア:

[(1, 21354138), (2, 10677069), (3, 7118046), (6, 3559023), (9, 2372682), (13, 1642626), (18, 1186341), (19, 1123902), (26, 821313), (27, 790894), (38, 561951), (39, 547542), (54, 395447), (57, 374634), (78, 273771), (114, 187317), (117, 182514), (171, 124878), (234, 91257), (247, 86454), (342, 62439), (351, 60838), (494, 43227), (513, 41626), (702, 30419), (741, 28818), (1026, 20813), (1482, 14409), (1601, 13338), (2223, 9606), (3202, 6669), (4446, 4803)]