21990576

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19919}}^1$

素因数の和:19953

約数の個数: 40

約数和(自身を含む): 59281920

約数和(自身を除く): 37291344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19919, 39838, 59757, 79676, 119514, 159352, 239028, 318704, 458137, 478056, 916274, 956112, 1374411, 1832548, 2748822, 3665096, 5497644, 7330192, 10995288, 21990576]

約数ペア:

[(1, 21990576), (2, 10995288), (3, 7330192), (4, 5497644), (6, 3665096), (8, 2748822), (12, 1832548), (16, 1374411), (23, 956112), (24, 916274), (46, 478056), (48, 458137), (69, 318704), (92, 239028), (138, 159352), (184, 119514), (276, 79676), (368, 59757), (552, 39838), (1104, 19919)]