21252802417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{105227}}^1$

素因数の和:105349

約数の個数: 32

約数和(自身を含む): 27557950464

約数和(自身を除く): 6305148047

約数列:

[1, 7, 11, 43, 61, 77, 301, 427, 473, 671, 2623, 3311, 4697, 18361, 28853, 105227, 201971, 736589, 1157497, 4524761, 6418847, 8102479, 31673327, 44931929, 49772371, 70607317, 276010421, 348406597, 494251219, 1932072947, 3036114631, 21252802417]

約数ペア:

[(1, 21252802417), (7, 3036114631), (11, 1932072947), (43, 494251219), (61, 348406597), (77, 276010421), (301, 70607317), (427, 49772371), (473, 44931929), (671, 31673327), (2623, 8102479), (3311, 6418847), (4697, 4524761), (18361, 1157497), (28853, 736589), (105227, 201971)]