21110824

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19873

約数の個数: 32

約数和(自身を含む): 47620800

約数和(自身を除く): 26509976

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19841, 39682, 79364, 138887, 158728, 277774, 376979, 555548, 753958, 1111096, 1507916, 2638853, 3015832, 5277706, 10555412, 21110824]

約数ペア:

[(1, 21110824), (2, 10555412), (4, 5277706), (7, 3015832), (8, 2638853), (14, 1507916), (19, 1111096), (28, 753958), (38, 555548), (56, 376979), (76, 277774), (133, 158728), (152, 138887), (266, 79364), (532, 39682), (1064, 19841)]