21572258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 35659200

約数和(自身を除く): 14086942

約数列:

[1, 2, 19, 37, 38, 67, 74, 134, 229, 458, 703, 1273, 1406, 2479, 2546, 4351, 4958, 8473, 8702, 15343, 16946, 30686, 47101, 94202, 160987, 291517, 321974, 567691, 583034, 1135382, 10786129, 21572258]

約数ペア:

[(1, 21572258), (2, 10786129), (19, 1135382), (37, 583034), (38, 567691), (67, 321974), (74, 291517), (134, 160987), (229, 94202), (458, 47101), (703, 30686), (1273, 16946), (1406, 15343), (2479, 8702), (2546, 8473), (4351, 4958)]