21448336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14731}}^1$

素因数の和:14759

約数の個数: 40

約数和(自身を含む): 51149504

約数和(自身を除く): 29701168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14731, 29462, 58924, 103117, 117848, 191503, 206234, 235696, 383006, 412468, 766012, 824936, 1340521, 1532024, 1649872, 2681042, 3064048, 5362084, 10724168, 21448336]

約数ペア:

[(1, 21448336), (2, 10724168), (4, 5362084), (7, 3064048), (8, 2681042), (13, 1649872), (14, 1532024), (16, 1340521), (26, 824936), (28, 766012), (52, 412468), (56, 383006), (91, 235696), (104, 206234), (112, 191503), (182, 117848), (208, 103117), (364, 58924), (728, 29462), (1456, 14731)]