21871764

素因数分解:

$2^2\times 3^2\times {\mathrm{607549}}^1$

素因数の和:607559

約数の個数: 18

約数和(自身を含む): 55287050

約数和(自身を除く): 33415286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607549, 1215098, 1822647, 2430196, 3645294, 5467941, 7290588, 10935882, 21871764]

約数ペア:

[(1, 21871764), (2, 10935882), (3, 7290588), (4, 5467941), (6, 3645294), (9, 2430196), (12, 1822647), (18, 1215098), (36, 607549)]