21338910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4649}}^1$

素因数の和:4682

約数の個数: 64

約数和(自身を含む): 60264000

約数和(自身を除く): 38925090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 4649, 9298, 13947, 23245, 27894, 41841, 46490, 69735, 79033, 83682, 125523, 139470, 158066, 209205, 237099, 251046, 395165, 418410, 474198, 627615, 711297, 790330, 1185495, 1255230, 1422594, 2133891, 2370990, 3556485, 4267782, 7112970, 10669455, 21338910]

約数ペア:

[(1, 21338910), (2, 10669455), (3, 7112970), (5, 4267782), (6, 3556485), (9, 2370990), (10, 2133891), (15, 1422594), (17, 1255230), (18, 1185495), (27, 790330), (30, 711297), (34, 627615), (45, 474198), (51, 418410), (54, 395165), (85, 251046), (90, 237099), (102, 209205), (135, 158066), (153, 139470), (170, 125523), (255, 83682), (270, 79033), (306, 69735), (459, 46490), (510, 41841), (765, 27894), (918, 23245), (1530, 13947), (2295, 9298), (4590, 4649)]