21793860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1223}}^1$

素因数の和:1255

約数の個数: 120

約数和(自身を含む): 74644416

約数和(自身を除く): 52850556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1223, 1485, 1620, 1782, 1980, 2446, 2970, 3564, 3669, 4455, 4892, 5940, 6115, 7338, 8910, 11007, 12230, 13453, 14676, 17820, 18345, 22014, 24460, 26906, 33021, 36690, 40359, 44028, 53812, 55035, 66042, 67265, 73380, 80718, 99063, 110070, 121077, 132084, 134530, 161436, 165105, 198126, 201795, 220140, 242154, 269060, 330210, 363231, 396252, 403590, 484308, 495315, 605385, 660420, 726462, 807180, 990630, 1089693, 1210770, 1452924, 1816155, 1981260, 2179386, 2421540, 3632310, 4358772, 5448465, 7264620, 10896930, 21793860]

約数ペア:

[(1, 21793860), (2, 10896930), (3, 7264620), (4, 5448465), (5, 4358772), (6, 3632310), (9, 2421540), (10, 2179386), (11, 1981260), (12, 1816155), (15, 1452924), (18, 1210770), (20, 1089693), (22, 990630), (27, 807180), (30, 726462), (33, 660420), (36, 605385), (44, 495315), (45, 484308), (54, 403590), (55, 396252), (60, 363231), (66, 330210), (81, 269060), (90, 242154), (99, 220140), (108, 201795), (110, 198126), (132, 165105), (135, 161436), (162, 134530), (165, 132084), (180, 121077), (198, 110070), (220, 99063), (270, 80718), (297, 73380), (324, 67265), (330, 66042), (396, 55035), (405, 53812), (495, 44028), (540, 40359), (594, 36690), (660, 33021), (810, 26906), (891, 24460), (990, 22014), (1188, 18345), (1223, 17820), (1485, 14676), (1620, 13453), (1782, 12230), (1980, 11007), (2446, 8910), (2970, 7338), (3564, 6115), (3669, 5940), (4455, 4892)]