21213084

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 30880356

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 151, 276, 302, 453, 509, 604, 906, 1018, 1527, 1812, 2036, 3054, 3473, 6108, 6946, 10419, 11707, 13892, 20838, 23414, 35121, 41676, 46828, 70242, 76859, 140484, 153718, 230577, 307436, 461154, 922308, 1767757, 3535514, 5303271, 7071028, 10606542, 21213084]

約数ペア:

[(1, 21213084), (2, 10606542), (3, 7071028), (4, 5303271), (6, 3535514), (12, 1767757), (23, 922308), (46, 461154), (69, 307436), (92, 230577), (138, 153718), (151, 140484), (276, 76859), (302, 70242), (453, 46828), (509, 41676), (604, 35121), (906, 23414), (1018, 20838), (1527, 13892), (1812, 11707), (2036, 10419), (3054, 6946), (3473, 6108)]