21931145199657

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1\times {\mathrm{804211}}^1$

素因数の和:807090

約数の個数: 48

約数和(自身を含む): 33771036469248

約数和(自身を除く): 11839891269591

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2803, 3243, 8409, 9729, 25227, 64469, 131741, 193407, 395223, 580221, 804211, 1185669, 2412633, 3030043, 7237899, 9090129, 18496853, 27270387, 37797917, 55490559, 113393751, 166471677, 340181253, 869352091, 2254203433, 2608056273, 6762610299, 7824168819, 20287830897, 51846678959, 105947561351, 155540036877, 317842684053, 466620110631, 953528052159, 2436793911073, 7310381733219, 21931145199657]

約数ペア:

[(1, 21931145199657), (3, 7310381733219), (9, 2436793911073), (23, 953528052159), (47, 466620110631), (69, 317842684053), (141, 155540036877), (207, 105947561351), (423, 51846678959), (1081, 20287830897), (2803, 7824168819), (3243, 6762610299), (8409, 2608056273), (9729, 2254203433), (25227, 869352091), (64469, 340181253), (131741, 166471677), (193407, 113393751), (395223, 55490559), (580221, 37797917), (804211, 27270387), (1185669, 18496853), (2412633, 9090129), (3030043, 7237899)]