21793548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 58351104

約数和(自身を除く): 36557556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 401, 647, 802, 1203, 1294, 1604, 1941, 2406, 2588, 2807, 3882, 4529, 4812, 5614, 7764, 8421, 9058, 11228, 13587, 16842, 18116, 27174, 33684, 54348, 259447, 518894, 778341, 1037788, 1556682, 1816129, 3113364, 3632258, 5448387, 7264516, 10896774, 21793548]

約数ペア:

[(1, 21793548), (2, 10896774), (3, 7264516), (4, 5448387), (6, 3632258), (7, 3113364), (12, 1816129), (14, 1556682), (21, 1037788), (28, 778341), (42, 518894), (84, 259447), (401, 54348), (647, 33684), (802, 27174), (1203, 18116), (1294, 16842), (1604, 13587), (1941, 11228), (2406, 9058), (2588, 8421), (2807, 7764), (3882, 5614), (4529, 4812)]