21496874

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 39989376

約数和(自身を除く): 18492502

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 2203, 4406, 4879, 9758, 15421, 30842, 37451, 74902, 90323, 180646, 262157, 524314, 632261, 1264522, 1535491, 3070982, 10748437, 21496874]

約数ペア:

[(1, 21496874), (2, 10748437), (7, 3070982), (14, 1535491), (17, 1264522), (34, 632261), (41, 524314), (82, 262157), (119, 180646), (238, 90323), (287, 74902), (574, 37451), (697, 30842), (1394, 15421), (2203, 9758), (4406, 4879)]