21880452810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1\times {\mathrm{8311}}^1$

素因数の和:9139

約数の個数: 64

約数和(自身を含む): 53009547264

約数和(自身を除く): 31129094454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 691, 762, 1270, 1382, 1905, 2073, 3455, 3810, 4146, 6910, 8311, 10365, 16622, 20730, 24933, 41555, 49866, 83110, 87757, 124665, 175514, 249330, 263271, 438785, 526542, 877570, 1055497, 1316355, 2110994, 2632710, 3166491, 5277485, 5742901, 6332982, 10554970, 11485802, 15832455, 17228703, 28714505, 31664910, 34457406, 57429010, 86143515, 172287030, 729348427, 1458696854, 2188045281, 3646742135, 4376090562, 7293484270, 10940226405, 21880452810]

約数ペア:

[(1, 21880452810), (2, 10940226405), (3, 7293484270), (5, 4376090562), (6, 3646742135), (10, 2188045281), (15, 1458696854), (30, 729348427), (127, 172287030), (254, 86143515), (381, 57429010), (635, 34457406), (691, 31664910), (762, 28714505), (1270, 17228703), (1382, 15832455), (1905, 11485802), (2073, 10554970), (3455, 6332982), (3810, 5742901), (4146, 5277485), (6910, 3166491), (8311, 2632710), (10365, 2110994), (16622, 1316355), (20730, 1055497), (24933, 877570), (41555, 526542), (49866, 438785), (83110, 263271), (87757, 249330), (124665, 175514)]