21321842

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1070

約数の個数: 24

約数和(自身を含む): 34928004

約数和(自身を除く): 13606162

約数列:

[1, 2, 17, 34, 37, 74, 289, 578, 629, 997, 1258, 1994, 10693, 16949, 21386, 33898, 36889, 73778, 288133, 576266, 627113, 1254226, 10660921, 21321842]

約数ペア:

[(1, 21321842), (2, 10660921), (17, 1254226), (34, 627113), (37, 576266), (74, 288133), (289, 73778), (578, 36889), (629, 33898), (997, 21386), (1258, 16949), (1994, 10693)]