21555960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179633}}^1$

素因数の和:179647

約数の個数: 32

約数和(自身を含む): 64668240

約数和(自身を除く): 43112280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179633, 359266, 538899, 718532, 898165, 1077798, 1437064, 1796330, 2155596, 2694495, 3592660, 4311192, 5388990, 7185320, 10777980, 21555960]

約数ペア:

[(1, 21555960), (2, 10777980), (3, 7185320), (4, 5388990), (5, 4311192), (6, 3592660), (8, 2694495), (10, 2155596), (12, 1796330), (15, 1437064), (20, 1077798), (24, 898165), (30, 718532), (40, 538899), (60, 359266), (120, 179633)]