21266160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88609}}^1$

素因数の和:88625

約数の個数: 40

約数和(自身を含む): 65925840

約数和(自身を除く): 44659680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88609, 177218, 265827, 354436, 443045, 531654, 708872, 886090, 1063308, 1329135, 1417744, 1772180, 2126616, 2658270, 3544360, 4253232, 5316540, 7088720, 10633080, 21266160]

約数ペア:

[(1, 21266160), (2, 10633080), (3, 7088720), (4, 5316540), (5, 4253232), (6, 3544360), (8, 2658270), (10, 2126616), (12, 1772180), (15, 1417744), (16, 1329135), (20, 1063308), (24, 886090), (30, 708872), (40, 531654), (48, 443045), (60, 354436), (80, 265827), (120, 177218), (240, 88609)]