21388404

素因数分解:

$2^2\times 3^1\times {\mathrm{271}}^1\times {\mathrm{6577}}^1$

素因数の和:6855

約数の個数: 24

約数和(自身を含む): 50098048

約数和(自身を除く): 28709644

約数列:

[1, 2, 3, 4, 6, 12, 271, 542, 813, 1084, 1626, 3252, 6577, 13154, 19731, 26308, 39462, 78924, 1782367, 3564734, 5347101, 7129468, 10694202, 21388404]

約数ペア:

[(1, 21388404), (2, 10694202), (3, 7129468), (4, 5347101), (6, 3564734), (12, 1782367), (271, 78924), (542, 39462), (813, 26308), (1084, 19731), (1626, 13154), (3252, 6577)]