21420096024

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{262733}}^1$

素因数の和:262864

約数の個数: 64

約数和(自身を含む): 55489420800

約数和(自身を除く): 34069324776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 237, 258, 316, 344, 474, 516, 632, 948, 1032, 1896, 3397, 6794, 10191, 13588, 20382, 27176, 40764, 81528, 262733, 525466, 788199, 1050932, 1576398, 2101864, 3152796, 6305592, 11297519, 20755907, 22595038, 33892557, 41511814, 45190076, 62267721, 67785114, 83023628, 90380152, 124535442, 135570228, 166047256, 249070884, 271140456, 498141768, 892504001, 1785008002, 2677512003, 3570016004, 5355024006, 7140032008, 10710048012, 21420096024]

約数ペア:

[(1, 21420096024), (2, 10710048012), (3, 7140032008), (4, 5355024006), (6, 3570016004), (8, 2677512003), (12, 1785008002), (24, 892504001), (43, 498141768), (79, 271140456), (86, 249070884), (129, 166047256), (158, 135570228), (172, 124535442), (237, 90380152), (258, 83023628), (316, 67785114), (344, 62267721), (474, 45190076), (516, 41511814), (632, 33892557), (948, 22595038), (1032, 20755907), (1896, 11297519), (3397, 6305592), (6794, 3152796), (10191, 2101864), (13588, 1576398), (20382, 1050932), (27176, 788199), (40764, 525466), (81528, 262733)]