21304822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3739}}^1$

素因数の和:3796

約数の個数: 32

約数和(自身を含む): 40930560

約数和(自身を除く): 19625738

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3739, 5698, 7478, 26173, 41129, 52346, 82258, 138343, 276686, 287903, 575806, 968401, 1521773, 1936802, 3043546, 10652411, 21304822]

約数ペア:

[(1, 21304822), (2, 10652411), (7, 3043546), (11, 1936802), (14, 1521773), (22, 968401), (37, 575806), (74, 287903), (77, 276686), (154, 138343), (259, 82258), (407, 52346), (518, 41129), (814, 26173), (2849, 7478), (3739, 5698)]