21439026

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 55756800

約数和(自身を除く): 34317774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 1161, 1319, 1806, 2322, 2638, 2709, 3957, 5418, 7914, 8127, 9233, 11871, 16254, 18466, 23742, 27699, 35613, 55398, 56717, 71226, 83097, 113434, 166194, 170151, 249291, 340302, 397019, 498582, 510453, 794038, 1020906, 1191057, 1531359, 2382114, 3062718, 3573171, 7146342, 10719513, 21439026]

約数ペア:

[(1, 21439026), (2, 10719513), (3, 7146342), (6, 3573171), (7, 3062718), (9, 2382114), (14, 1531359), (18, 1191057), (21, 1020906), (27, 794038), (42, 510453), (43, 498582), (54, 397019), (63, 340302), (86, 249291), (126, 170151), (129, 166194), (189, 113434), (258, 83097), (301, 71226), (378, 56717), (387, 55398), (602, 35613), (774, 27699), (903, 23742), (1161, 18466), (1319, 16254), (1806, 11871), (2322, 9233), (2638, 8127), (2709, 7914), (3957, 5418)]