2100945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 4478976

約数和(自身を除く): 2378031

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 107, 119, 165, 187, 231, 255, 321, 357, 385, 535, 561, 595, 749, 935, 1155, 1177, 1309, 1605, 1785, 1819, 2247, 2805, 3531, 3745, 3927, 5457, 5885, 6545, 8239, 9095, 11235, 12733, 17655, 19635, 20009, 24717, 27285, 38199, 41195, 60027, 63665, 100045, 123585, 140063, 190995, 300135, 420189, 700315, 2100945]

約数ペア:

[(1, 2100945), (3, 700315), (5, 420189), (7, 300135), (11, 190995), (15, 140063), (17, 123585), (21, 100045), (33, 63665), (35, 60027), (51, 41195), (55, 38199), (77, 27285), (85, 24717), (105, 20009), (107, 19635), (119, 17655), (165, 12733), (187, 11235), (231, 9095), (255, 8239), (321, 6545), (357, 5885), (385, 5457), (535, 3927), (561, 3745), (595, 3531), (749, 2805), (935, 2247), (1155, 1819), (1177, 1785), (1309, 1605)]