21861203900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2767241}}^1$

素因数の和:2767334

約数の個数: 36

約数和(自身を含む): 48039321120

約数和(自身を除く): 26178117220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 2767241, 5534482, 11068964, 13836205, 27672410, 55344820, 69181025, 138362050, 218612039, 276724100, 437224078, 874448156, 1093060195, 2186120390, 4372240780, 5465300975, 10930601950, 21861203900]

約数ペア:

[(1, 21861203900), (2, 10930601950), (4, 5465300975), (5, 4372240780), (10, 2186120390), (20, 1093060195), (25, 874448156), (50, 437224078), (79, 276724100), (100, 218612039), (158, 138362050), (316, 69181025), (395, 55344820), (790, 27672410), (1580, 13836205), (1975, 11068964), (3950, 5534482), (7900, 2767241)]