21475624

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8311}}^1$

素因数の和:8353

約数の個数: 32

約数和(自身を含む): 44884800

約数和(自身を除く): 23409176

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8311, 16622, 33244, 66488, 141287, 157909, 282574, 315818, 565148, 631636, 1130296, 1263272, 2684453, 5368906, 10737812, 21475624]

約数ペア:

[(1, 21475624), (2, 10737812), (4, 5368906), (8, 2684453), (17, 1263272), (19, 1130296), (34, 631636), (38, 565148), (68, 315818), (76, 282574), (136, 157909), (152, 141287), (323, 66488), (646, 33244), (1292, 16622), (2584, 8311)]