21941109

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 32853912

約数和(自身を除く): 10912803

約数列:

[1, 3, 9, 41, 97, 123, 291, 369, 613, 873, 1839, 3977, 5517, 11931, 25133, 35793, 59461, 75399, 178383, 226197, 535149, 2437901, 7313703, 21941109]

約数ペア:

[(1, 21941109), (3, 7313703), (9, 2437901), (41, 535149), (97, 226197), (123, 178383), (291, 75399), (369, 59461), (613, 35793), (873, 25133), (1839, 11931), (3977, 5517)]