21246328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5387}}^1$

素因数の和:5439

約数の個数: 32

約数和(自身を含む): 43642800

約数和(自身を除く): 22396472

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5387, 10774, 21548, 43096, 91579, 156223, 183158, 312446, 366316, 624892, 732632, 1249784, 2655791, 5311582, 10623164, 21246328]

約数ペア:

[(1, 21246328), (2, 10623164), (4, 5311582), (8, 2655791), (17, 1249784), (29, 732632), (34, 624892), (58, 366316), (68, 312446), (116, 183158), (136, 156223), (232, 91579), (493, 43096), (986, 21548), (1972, 10774), (3944, 5387)]