21100101

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 31779552

約数和(自身を除く): 10679451

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1571, 4477, 4713, 13431, 17281, 51843, 58127, 174381, 190091, 570273, 639397, 1918191, 7033367, 21100101]

約数ペア:

[(1, 21100101), (3, 7033367), (11, 1918191), (33, 639397), (37, 570273), (111, 190091), (121, 174381), (363, 58127), (407, 51843), (1221, 17281), (1571, 13431), (4477, 4713)]