21090156

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{22247}}^1$

素因数の和:22333

約数の個数: 24

約数和(自身を含む): 49835520

約数和(自身を除く): 28745364

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 22247, 44494, 66741, 88988, 133482, 266964, 1757513, 3515026, 5272539, 7030052, 10545078, 21090156]

約数ペア:

[(1, 21090156), (2, 10545078), (3, 7030052), (4, 5272539), (6, 3515026), (12, 1757513), (79, 266964), (158, 133482), (237, 88988), (316, 66741), (474, 44494), (948, 22247)]