21030224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77317}}^1$

素因数の和:77342

約数の個数: 20

約数和(自身を含む): 43143444

約数和(自身を除く): 22113220

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77317, 154634, 309268, 618536, 1237072, 1314389, 2628778, 5257556, 10515112, 21030224]

約数ペア:

[(1, 21030224), (2, 10515112), (4, 5257556), (8, 2628778), (16, 1314389), (17, 1237072), (34, 618536), (68, 309268), (136, 154634), (272, 77317)]