21282963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 11811693

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 663, 683, 799, 1833, 2049, 2397, 8879, 10387, 11611, 26637, 31161, 32101, 34833, 96303, 150943, 417313, 452829, 545717, 1251939, 1637151, 7094321, 21282963]

約数ペア:

[(1, 21282963), (3, 7094321), (13, 1637151), (17, 1251939), (39, 545717), (47, 452829), (51, 417313), (141, 150943), (221, 96303), (611, 34833), (663, 32101), (683, 31161), (799, 26637), (1833, 11611), (2049, 10387), (2397, 8879)]