21066180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12107}}^1$

素因数の和:12148

約数の個数: 48

約数和(自身を含む): 61024320

約数和(自身を除く): 39958140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12107, 24214, 36321, 48428, 60535, 72642, 121070, 145284, 181605, 242140, 351103, 363210, 702206, 726420, 1053309, 1404412, 1755515, 2106618, 3511030, 4213236, 5266545, 7022060, 10533090, 21066180]

約数ペア:

[(1, 21066180), (2, 10533090), (3, 7022060), (4, 5266545), (5, 4213236), (6, 3511030), (10, 2106618), (12, 1755515), (15, 1404412), (20, 1053309), (29, 726420), (30, 702206), (58, 363210), (60, 351103), (87, 242140), (116, 181605), (145, 145284), (174, 121070), (290, 72642), (348, 60535), (435, 48428), (580, 36321), (870, 24214), (1740, 12107)]