21281843

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{9257}}^1$

素因数の和:9298

約数の個数: 12

約数和(自身を含む): 24626280

約数和(自身を除く): 3344437

約数列:

[1, 11, 19, 121, 209, 2299, 9257, 101827, 175883, 1120097, 1934713, 21281843]

約数ペア:

[(1, 21281843), (11, 1934713), (19, 1120097), (121, 175883), (209, 101827), (2299, 9257)]