21002364

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2441}}^1$

素因数の和:2690

約数の個数: 36

約数和(自身を含む): 53333280

約数和(自身を除く): 32330916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2441, 2868, 4302, 4882, 7323, 8604, 9764, 14646, 21969, 29292, 43938, 87876, 583399, 1166798, 1750197, 2333596, 3500394, 5250591, 7000788, 10501182, 21002364]

約数ペア:

[(1, 21002364), (2, 10501182), (3, 7000788), (4, 5250591), (6, 3500394), (9, 2333596), (12, 1750197), (18, 1166798), (36, 583399), (239, 87876), (478, 43938), (717, 29292), (956, 21969), (1434, 14646), (2151, 9764), (2441, 8604), (2868, 7323), (4302, 4882)]