21348872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5413}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 43853400

約数和(自身を除く): 22504528

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5413, 10826, 21652, 43304, 92021, 156977, 184042, 313954, 368084, 627908, 736168, 1255816, 2668609, 5337218, 10674436, 21348872]

約数ペア:

[(1, 21348872), (2, 10674436), (4, 5337218), (8, 2668609), (17, 1255816), (29, 736168), (34, 627908), (58, 368084), (68, 313954), (116, 184042), (136, 156977), (232, 92021), (493, 43304), (986, 21652), (1972, 10826), (3944, 5413)]