21132573

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1867}}^1$

素因数の和:1902

約数の個数: 32

約数和(自身を含む): 35865600

約数和(自身を除く): 14733027

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 1867, 3773, 5601, 11319, 13069, 20537, 39207, 61611, 91483, 143759, 274449, 431277, 640381, 1006313, 1921143, 3018939, 7044191, 21132573]

約数ペア:

[(1, 21132573), (3, 7044191), (7, 3018939), (11, 1921143), (21, 1006313), (33, 640381), (49, 431277), (77, 274449), (147, 143759), (231, 91483), (343, 61611), (539, 39207), (1029, 20537), (1617, 13069), (1867, 11319), (3773, 5601)]