21947026

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 13615214

約数列:

[1, 2, 29, 47, 58, 83, 94, 97, 166, 194, 1363, 2407, 2726, 2813, 3901, 4559, 4814, 5626, 7802, 8051, 9118, 16102, 113129, 132211, 226258, 233479, 264422, 378397, 466958, 756794, 10973513, 21947026]

約数ペア:

[(1, 21947026), (2, 10973513), (29, 756794), (47, 466958), (58, 378397), (83, 264422), (94, 233479), (97, 226258), (166, 132211), (194, 113129), (1363, 16102), (2407, 9118), (2726, 8051), (2813, 7802), (3901, 5626), (4559, 4814)]