21574620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39953}}^1$

素因数の和:39971

約数の個数: 48

約数和(自身を含む): 67122720

約数和(自身を除く): 45548100

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, 39953, 79906, 119859, 159812, 199765, 239718, 359577, 399530, 479436, 599295, 719154, 799060, 1078731, 1198590, 1438308, 1797885, 2157462, 2397180, 3595770, 4314924, 5393655, 7191540, 10787310, 21574620]

約数ペア:

[(1, 21574620), (2, 10787310), (3, 7191540), (4, 5393655), (5, 4314924), (6, 3595770), (9, 2397180), (10, 2157462), (12, 1797885), (15, 1438308), (18, 1198590), (20, 1078731), (27, 799060), (30, 719154), (36, 599295), (45, 479436), (54, 399530), (60, 359577), (90, 239718), (108, 199765), (135, 159812), (180, 119859), (270, 79906), (540, 39953)]