21992033

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 18

約数和(自身を含む): 27193446

約数和(自身を除く): 5201413

約数列:

[1, 7, 17, 49, 119, 289, 833, 1553, 2023, 10871, 14161, 26401, 76097, 184807, 448817, 1293649, 3141719, 21992033]

約数ペア:

[(1, 21992033), (7, 3141719), (17, 1293649), (49, 448817), (119, 184807), (289, 76097), (833, 26401), (1553, 14161), (2023, 10871)]