21611880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20011}}^1$

素因数の和:20031

約数の個数: 64

約数和(自身を含む): 72043200

約数和(自身を除く): 50431320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20011, 40022, 60033, 80044, 100055, 120066, 160088, 180099, 200110, 240132, 300165, 360198, 400220, 480264, 540297, 600330, 720396, 800440, 900495, 1080594, 1200660, 1440792, 1800990, 2161188, 2401320, 2701485, 3601980, 4322376, 5402970, 7203960, 10805940, 21611880]

約数ペア:

[(1, 21611880), (2, 10805940), (3, 7203960), (4, 5402970), (5, 4322376), (6, 3601980), (8, 2701485), (9, 2401320), (10, 2161188), (12, 1800990), (15, 1440792), (18, 1200660), (20, 1080594), (24, 900495), (27, 800440), (30, 720396), (36, 600330), (40, 540297), (45, 480264), (54, 400220), (60, 360198), (72, 300165), (90, 240132), (108, 200110), (120, 180099), (135, 160088), (180, 120066), (216, 100055), (270, 80044), (360, 60033), (540, 40022), (1080, 20011)]