21149156666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1\times {\mathrm{5039}}^1$

素因数の和:7810

約数の個数: 32

約数和(自身を含む): 35115171840

約数和(自身を除く): 13966015174

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 2687, 5039, 5374, 10078, 29557, 55429, 59114, 110858, 190777, 357769, 381554, 715538, 2098547, 3935459, 4197094, 7870918, 13539793, 27079586, 148937723, 297875446, 961325303, 1922650606, 10574578333, 21149156666]

約数ペア:

[(1, 21149156666), (2, 10574578333), (11, 1922650606), (22, 961325303), (71, 297875446), (142, 148937723), (781, 27079586), (1562, 13539793), (2687, 7870918), (5039, 4197094), (5374, 3935459), (10078, 2098547), (29557, 715538), (55429, 381554), (59114, 357769), (110858, 190777)]