21363026888

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1\times {\mathrm{10639}}^1$

素因数の和:12234

約数の個数: 64

約数和(自身を含む): 47803392000

約数和(自身を除く): 26440365112

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 1559, 3118, 6236, 10639, 10913, 12472, 21278, 21826, 35857, 42556, 43652, 71714, 74473, 85112, 87304, 143428, 148946, 244697, 250999, 286856, 297892, 489394, 501998, 595784, 978788, 1003996, 1712879, 1957576, 2007992, 3425758, 6851516, 13703032, 16586201, 33172402, 66344804, 116103407, 132689608, 232206814, 381482623, 464413628, 762965246, 928827256, 1525930492, 2670378361, 3051860984, 5340756722, 10681513444, 21363026888]

約数ペア:

[(1, 21363026888), (2, 10681513444), (4, 5340756722), (7, 3051860984), (8, 2670378361), (14, 1525930492), (23, 928827256), (28, 762965246), (46, 464413628), (56, 381482623), (92, 232206814), (161, 132689608), (184, 116103407), (322, 66344804), (644, 33172402), (1288, 16586201), (1559, 13703032), (3118, 6851516), (6236, 3425758), (10639, 2007992), (10913, 1957576), (12472, 1712879), (21278, 1003996), (21826, 978788), (35857, 595784), (42556, 501998), (43652, 489394), (71714, 297892), (74473, 286856), (85112, 250999), (87304, 244697), (143428, 148946)]