21896313

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:2004

約数の個数: 16

約数和(自身を含む): 30191616

約数和(自身を除く): 8295303

約数列:

[1, 3, 47, 83, 141, 249, 1871, 3901, 5613, 11703, 87937, 155293, 263811, 465879, 7298771, 21896313]

約数ペア:

[(1, 21896313), (3, 7298771), (47, 465879), (83, 263811), (141, 155293), (249, 87937), (1871, 11703), (3901, 5613)]