21395341

素因数分解:

${\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{1171}}^1$

素因数の和:1344

約数の個数: 12

約数和(自身を含む): 23693152

約数和(自身を除く): 2297811

約数列:

[1, 11, 121, 151, 1171, 1661, 12881, 18271, 141691, 176821, 1945031, 21395341]

約数ペア:

[(1, 21395341), (11, 1945031), (121, 176821), (151, 141691), (1171, 18271), (1661, 12881)]