2021030672619

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{14821}}^1\times {\mathrm{48823}}^1$

素因数の和:63680

約数の個数: 48

約数和(自身を含む): 3299932135680

約数和(自身を除く): 1278901463061

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 14821, 44463, 48823, 103747, 146469, 281599, 311241, 341761, 726229, 844797, 927637, 1025283, 1971193, 2178687, 2392327, 2782911, 5913579, 6493459, 7176981, 13798351, 19480377, 41395053, 45454213, 136362639, 723605683, 2170817049, 5065239781, 13748507977, 15195719343, 35456678467, 41245523931, 96239555839, 106370035401, 288718667517, 673676890873, 2021030672619]

約数ペア:

[(1, 2021030672619), (3, 673676890873), (7, 288718667517), (19, 106370035401), (21, 96239555839), (49, 41245523931), (57, 35456678467), (133, 15195719343), (147, 13748507977), (399, 5065239781), (931, 2170817049), (2793, 723605683), (14821, 136362639), (44463, 45454213), (48823, 41395053), (103747, 19480377), (146469, 13798351), (281599, 7176981), (311241, 6493459), (341761, 5913579), (726229, 2782911), (844797, 2392327), (927637, 2178687), (1025283, 1971193)]