21496080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89567}}^1$

素因数の和:89583

約数の個数: 40

約数和(自身を含む): 66638592

約数和(自身を除く): 45142512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89567, 179134, 268701, 358268, 447835, 537402, 716536, 895670, 1074804, 1343505, 1433072, 1791340, 2149608, 2687010, 3582680, 4299216, 5374020, 7165360, 10748040, 21496080]

約数ペア:

[(1, 21496080), (2, 10748040), (3, 7165360), (4, 5374020), (5, 4299216), (6, 3582680), (8, 2687010), (10, 2149608), (12, 1791340), (15, 1433072), (16, 1343505), (20, 1074804), (24, 895670), (30, 716536), (40, 537402), (48, 447835), (60, 358268), (80, 268701), (120, 179134), (240, 89567)]