21337342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 15757058

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 893, 919, 1222, 1786, 1838, 11609, 11947, 17461, 23218, 23894, 34922, 43193, 86386, 226993, 453986, 561509, 820667, 1123018, 1641334, 10668671, 21337342]

約数ペア:

[(1, 21337342), (2, 10668671), (13, 1641334), (19, 1123018), (26, 820667), (38, 561509), (47, 453986), (94, 226993), (247, 86386), (494, 43193), (611, 34922), (893, 23894), (919, 23218), (1222, 17461), (1786, 11947), (1838, 11609)]