21004320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43759}}^1$

素因数の和:43777

約数の個数: 48

約数和(自身を含む): 66165120

約数和(自身を除く): 45160800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43759, 87518, 131277, 175036, 218795, 262554, 350072, 437590, 525108, 656385, 700144, 875180, 1050216, 1312770, 1400288, 1750360, 2100432, 2625540, 3500720, 4200864, 5251080, 7001440, 10502160, 21004320]

約数ペア:

[(1, 21004320), (2, 10502160), (3, 7001440), (4, 5251080), (5, 4200864), (6, 3500720), (8, 2625540), (10, 2100432), (12, 1750360), (15, 1400288), (16, 1312770), (20, 1050216), (24, 875180), (30, 700144), (32, 656385), (40, 525108), (48, 437590), (60, 350072), (80, 262554), (96, 218795), (120, 175036), (160, 131277), (240, 87518), (480, 43759)]