21550680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59863}}^1$

素因数の和:59880

約数の個数: 48

約数和(自身を含む): 70040880

約数和(自身を除く): 48490200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59863, 119726, 179589, 239452, 299315, 359178, 478904, 538767, 598630, 718356, 897945, 1077534, 1197260, 1436712, 1795890, 2155068, 2394520, 2693835, 3591780, 4310136, 5387670, 7183560, 10775340, 21550680]

約数ペア:

[(1, 21550680), (2, 10775340), (3, 7183560), (4, 5387670), (5, 4310136), (6, 3591780), (8, 2693835), (9, 2394520), (10, 2155068), (12, 1795890), (15, 1436712), (18, 1197260), (20, 1077534), (24, 897945), (30, 718356), (36, 598630), (40, 538767), (45, 478904), (60, 359178), (72, 299315), (90, 239452), (120, 179589), (180, 119726), (360, 59863)]