21368886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 55627776

約数和(自身を除く): 34258890

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 2011, 3542, 4022, 5313, 6033, 10626, 12066, 14077, 22121, 28154, 42231, 44242, 46253, 66363, 84462, 92506, 132726, 138759, 154847, 277518, 309694, 323771, 464541, 508783, 647542, 929082, 971313, 1017566, 1526349, 1942626, 3052698, 3561481, 7122962, 10684443, 21368886]

約数ペア:

[(1, 21368886), (2, 10684443), (3, 7122962), (6, 3561481), (7, 3052698), (11, 1942626), (14, 1526349), (21, 1017566), (22, 971313), (23, 929082), (33, 647542), (42, 508783), (46, 464541), (66, 323771), (69, 309694), (77, 277518), (138, 154847), (154, 138759), (161, 132726), (231, 92506), (253, 84462), (322, 66363), (462, 46253), (483, 44242), (506, 42231), (759, 28154), (966, 22121), (1518, 14077), (1771, 12066), (2011, 10626), (3542, 6033), (4022, 5313)]