21245308

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44633}}^1$

素因数の和:44661

約数の個数: 24

約数和(自身を含む): 44991072

約数和(自身を除く): 23745764

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44633, 89266, 178532, 312431, 624862, 758761, 1249724, 1517522, 3035044, 5311327, 10622654, 21245308]

約数ペア:

[(1, 21245308), (2, 10622654), (4, 5311327), (7, 3035044), (14, 1517522), (17, 1249724), (28, 758761), (34, 624862), (68, 312431), (119, 178532), (238, 89266), (476, 44633)]