21555216

素因数分解:

$2^4\times 3^2\times {\mathrm{149689}}^1$

素因数の和:149703

約数の個数: 30

約数和(自身を含む): 60325070

約数和(自身を除く): 38769854

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149689, 299378, 449067, 598756, 898134, 1197512, 1347201, 1796268, 2395024, 2694402, 3592536, 5388804, 7185072, 10777608, 21555216]

約数ペア:

[(1, 21555216), (2, 10777608), (3, 7185072), (4, 5388804), (6, 3592536), (8, 2694402), (9, 2395024), (12, 1796268), (16, 1347201), (18, 1197512), (24, 898134), (36, 598756), (48, 449067), (72, 299378), (144, 149689)]