21955531920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1866967}}^1$

素因数の和:1866997

約数の個数: 120

約数和(自身を含む): 79174378944

約数和(自身を除く): 57218847024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1866967, 3733934, 5600901, 7467868, 9334835, 11201802, 13068769, 14935736, 18669670, 22403604, 26137538, 28004505, 29871472, 37339340, 39206307, 44807208, 52275076, 56009010, 65343845, 74678680, 78412614, 89614416, 91481383, 104550152, 112018020, 130687690, 149357360, 156825228, 182962766, 196031535, 209100304, 224036040, 261375380, 274444149, 313650456, 365925532, 392063070, 448072080, 457406915, 522750760, 548888298, 627300912, 731851064, 784126140, 914813830, 1045501520, 1097776596, 1372220745, 1463702128, 1568252280, 1829627660, 2195553192, 2744441490, 3136504560, 3659255320, 4391106384, 5488882980, 7318510640, 10977765960, 21955531920]

約数ペア:

[(1, 21955531920), (2, 10977765960), (3, 7318510640), (4, 5488882980), (5, 4391106384), (6, 3659255320), (7, 3136504560), (8, 2744441490), (10, 2195553192), (12, 1829627660), (14, 1568252280), (15, 1463702128), (16, 1372220745), (20, 1097776596), (21, 1045501520), (24, 914813830), (28, 784126140), (30, 731851064), (35, 627300912), (40, 548888298), (42, 522750760), (48, 457406915), (49, 448072080), (56, 392063070), (60, 365925532), (70, 313650456), (80, 274444149), (84, 261375380), (98, 224036040), (105, 209100304), (112, 196031535), (120, 182962766), (140, 156825228), (147, 149357360), (168, 130687690), (196, 112018020), (210, 104550152), (240, 91481383), (245, 89614416), (280, 78412614), (294, 74678680), (336, 65343845), (392, 56009010), (420, 52275076), (490, 44807208), (560, 39206307), (588, 37339340), (735, 29871472), (784, 28004505), (840, 26137538), (980, 22403604), (1176, 18669670), (1470, 14935736), (1680, 13068769), (1960, 11201802), (2352, 9334835), (2940, 7467868), (3920, 5600901), (5880, 3733934), (11760, 1866967)]