21870060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12569}}^1$

素因数の和:12610

約数の個数: 48

約数和(自身を含む): 63352800

約数和(自身を除く): 41482740

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, 12569, 25138, 37707, 50276, 62845, 75414, 125690, 150828, 188535, 251380, 364501, 377070, 729002, 754140, 1093503, 1458004, 1822505, 2187006, 3645010, 4374012, 5467515, 7290020, 10935030, 21870060]

約数ペア:

[(1, 21870060), (2, 10935030), (3, 7290020), (4, 5467515), (5, 4374012), (6, 3645010), (10, 2187006), (12, 1822505), (15, 1458004), (20, 1093503), (29, 754140), (30, 729002), (58, 377070), (60, 364501), (87, 251380), (116, 188535), (145, 150828), (174, 125690), (290, 75414), (348, 62845), (435, 50276), (580, 37707), (870, 25138), (1740, 12569)]