21070468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5231}}^1$

素因数の和:5307

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 18483452

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5231, 10462, 20924, 99389, 198778, 277243, 397556, 554486, 1108972, 5267617, 10535234, 21070468]

約数ペア:

[(1, 21070468), (2, 10535234), (4, 5267617), (19, 1108972), (38, 554486), (53, 397556), (76, 277243), (106, 198778), (212, 99389), (1007, 20924), (2014, 10462), (4028, 5231)]