21947264

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{619}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 43951800

約数和(自身を除く): 22004536

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 619, 1108, 1238, 2216, 2476, 4432, 4952, 8864, 9904, 17728, 19808, 35456, 39616, 79232, 171463, 342926, 685852, 1371704, 2743408, 5486816, 10973632, 21947264]

約数ペア:

[(1, 21947264), (2, 10973632), (4, 5486816), (8, 2743408), (16, 1371704), (32, 685852), (64, 342926), (128, 171463), (277, 79232), (554, 39616), (619, 35456), (1108, 19808), (1238, 17728), (2216, 9904), (2476, 8864), (4432, 4952)]