21274550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 44140032

約数和(自身を除く): 22865482

約数列:

[1, 2, 5, 10, 11, 22, 25, 47, 50, 55, 94, 110, 235, 275, 470, 517, 550, 823, 1034, 1175, 1646, 2350, 2585, 4115, 5170, 8230, 9053, 12925, 18106, 20575, 25850, 38681, 41150, 45265, 77362, 90530, 193405, 226325, 386810, 425491, 452650, 850982, 967025, 1934050, 2127455, 4254910, 10637275, 21274550]

約数ペア:

[(1, 21274550), (2, 10637275), (5, 4254910), (10, 2127455), (11, 1934050), (22, 967025), (25, 850982), (47, 452650), (50, 425491), (55, 386810), (94, 226325), (110, 193405), (235, 90530), (275, 77362), (470, 45265), (517, 41150), (550, 38681), (823, 25850), (1034, 20575), (1175, 18106), (1646, 12925), (2350, 9053), (2585, 8230), (4115, 5170)]