21787703008

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{32359}}^1$

素因数の和:32819

約数の個数: 48

約数和(自身を含む): 43815310560

約数和(自身を除く): 22027607552

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 397, 424, 794, 848, 1588, 1696, 3176, 6352, 12704, 21041, 32359, 42082, 64718, 84164, 129436, 168328, 258872, 336656, 517744, 673312, 1035488, 1715027, 3430054, 6860108, 12846523, 13720216, 25693046, 27440432, 51386092, 54880864, 102772184, 205544368, 411088736, 680865719, 1361731438, 2723462876, 5446925752, 10893851504, 21787703008]

約数ペア:

[(1, 21787703008), (2, 10893851504), (4, 5446925752), (8, 2723462876), (16, 1361731438), (32, 680865719), (53, 411088736), (106, 205544368), (212, 102772184), (397, 54880864), (424, 51386092), (794, 27440432), (848, 25693046), (1588, 13720216), (1696, 12846523), (3176, 6860108), (6352, 3430054), (12704, 1715027), (21041, 1035488), (32359, 673312), (42082, 517744), (64718, 336656), (84164, 258872), (129436, 168328)]