21812044

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 39227328

約数和(自身を除く): 17415284

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 751, 1502, 3004, 7261, 14522, 29044, 39803, 79606, 102887, 159212, 205774, 411548, 5453011, 10906022, 21812044]

約数ペア:

[(1, 21812044), (2, 10906022), (4, 5453011), (53, 411548), (106, 205774), (137, 159212), (212, 102887), (274, 79606), (548, 39803), (751, 29044), (1502, 14522), (3004, 7261)]