21514272

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17239}}^1$

素因数の和:17265

約数の個数: 48

約数和(自身を含む): 60822720

約数和(自身を除く): 39308448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17239, 34478, 51717, 68956, 103434, 137912, 206868, 224107, 275824, 413736, 448214, 551648, 672321, 827472, 896428, 1344642, 1654944, 1792856, 2689284, 3585712, 5378568, 7171424, 10757136, 21514272]

約数ペア:

[(1, 21514272), (2, 10757136), (3, 7171424), (4, 5378568), (6, 3585712), (8, 2689284), (12, 1792856), (13, 1654944), (16, 1344642), (24, 896428), (26, 827472), (32, 672321), (39, 551648), (48, 448214), (52, 413736), (78, 275824), (96, 224107), (104, 206868), (156, 137912), (208, 103434), (312, 68956), (416, 51717), (624, 34478), (1248, 17239)]