21497094

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 27923706

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 239, 263, 342, 478, 526, 717, 789, 1434, 1578, 2151, 2367, 4302, 4541, 4734, 4997, 9082, 9994, 13623, 14991, 27246, 29982, 40869, 44973, 62857, 81738, 89946, 125714, 188571, 377142, 565713, 1131426, 1194283, 2388566, 3582849, 7165698, 10748547, 21497094]

約数ペア:

[(1, 21497094), (2, 10748547), (3, 7165698), (6, 3582849), (9, 2388566), (18, 1194283), (19, 1131426), (38, 565713), (57, 377142), (114, 188571), (171, 125714), (239, 89946), (263, 81738), (342, 62857), (478, 44973), (526, 40869), (717, 29982), (789, 27246), (1434, 14991), (1578, 13623), (2151, 9994), (2367, 9082), (4302, 4997), (4541, 4734)]