21546938

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 16710982

約数列:

[1, 2, 7, 14, 53, 71, 106, 142, 371, 409, 497, 742, 818, 994, 2863, 3763, 5726, 7526, 21677, 26341, 29039, 43354, 52682, 58078, 151739, 203273, 303478, 406546, 1539067, 3078134, 10773469, 21546938]

約数ペア:

[(1, 21546938), (2, 10773469), (7, 3078134), (14, 1539067), (53, 406546), (71, 303478), (106, 203273), (142, 151739), (371, 58078), (409, 52682), (497, 43354), (742, 29039), (818, 26341), (994, 21677), (2863, 7526), (3763, 5726)]