21923836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3637}}^1$

素因数の和:3789

約数の個数: 24

約数和(自身を含む): 42171696

約数和(自身を除く): 20247860

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3637, 6028, 7274, 14548, 40007, 80014, 160028, 498269, 996538, 1993076, 5480959, 10961918, 21923836]

約数ペア:

[(1, 21923836), (2, 10961918), (4, 5480959), (11, 1993076), (22, 996538), (44, 498269), (137, 160028), (274, 80014), (548, 40007), (1507, 14548), (3014, 7274), (3637, 6028)]