21785302

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 41587200

約数和(自身を除く): 19801898

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2887, 3773, 5774, 7546, 20209, 31757, 40418, 63514, 141463, 222299, 282926, 444598, 990241, 1556093, 1980482, 3112186, 10892651, 21785302]

約数ペア:

[(1, 21785302), (2, 10892651), (7, 3112186), (11, 1980482), (14, 1556093), (22, 990241), (49, 444598), (77, 282926), (98, 222299), (154, 141463), (343, 63514), (539, 40418), (686, 31757), (1078, 20209), (2887, 7546), (3773, 5774)]