21468278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11311}}^1$

素因数の和:11399

約数の個数: 16

約数和(自身を含む): 35157696

約数和(自身を除く): 13689418

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 11311, 22622, 147043, 294086, 825703, 1651406, 10734139, 21468278]

約数ペア:

[(1, 21468278), (2, 10734139), (13, 1651406), (26, 825703), (73, 294086), (146, 147043), (949, 22622), (1898, 11311)]