21331888

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{3037}}^1$

素因数の和:3484

約数の個数: 20

約数和(自身を含む): 41438320

約数和(自身を除く): 20106432

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3037, 3512, 6074, 7024, 12148, 24296, 48592, 1333243, 2666486, 5332972, 10665944, 21331888]

約数ペア:

[(1, 21331888), (2, 10665944), (4, 5332972), (8, 2666486), (16, 1333243), (439, 48592), (878, 24296), (1756, 12148), (3037, 7024), (3512, 6074)]