21420180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39667}}^1$

素因数の和:39685

約数の個数: 48

約数和(自身を含む): 66642240

約数和(自身を除く): 45222060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39667, 79334, 119001, 158668, 198335, 238002, 357003, 396670, 476004, 595005, 714006, 793340, 1071009, 1190010, 1428012, 1785015, 2142018, 2380020, 3570030, 4284036, 5355045, 7140060, 10710090, 21420180]

約数ペア:

[(1, 21420180), (2, 10710090), (3, 7140060), (4, 5355045), (5, 4284036), (6, 3570030), (9, 2380020), (10, 2142018), (12, 1785015), (15, 1428012), (18, 1190010), (20, 1071009), (27, 793340), (30, 714006), (36, 595005), (45, 476004), (54, 396670), (60, 357003), (90, 238002), (108, 198335), (135, 158668), (180, 119001), (270, 79334), (540, 39667)]