21922922

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 40137600

約数和(自身を除く): 18214678

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1129, 1387, 2258, 2774, 7903, 9709, 15806, 19418, 21451, 42902, 82417, 150157, 164834, 300314, 576919, 1153838, 1565923, 3131846, 10961461, 21922922]

約数ペア:

[(1, 21922922), (2, 10961461), (7, 3131846), (14, 1565923), (19, 1153838), (38, 576919), (73, 300314), (133, 164834), (146, 150157), (266, 82417), (511, 42902), (1022, 21451), (1129, 19418), (1387, 15806), (2258, 9709), (2774, 7903)]