21305966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7069}}^1$

素因数の和:7219

約数の個数: 16

約数和(自身を含む): 35123760

約数和(自身を除く): 13817794

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 7069, 14138, 77759, 155518, 968453, 1936906, 10652983, 21305966]

約数ペア:

[(1, 21305966), (2, 10652983), (11, 1936906), (22, 968453), (137, 155518), (274, 77759), (1507, 14138), (3014, 7069)]