21115974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8647}}^1$

素因数の和:8700

約数の個数: 32

約数和(自身を含む): 47321856

約数和(自身を除く): 26205882

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8647, 17294, 25941, 51882, 95117, 190234, 285351, 319939, 570702, 639878, 959817, 1919634, 3519329, 7038658, 10557987, 21115974]

約数ペア:

[(1, 21115974), (2, 10557987), (3, 7038658), (6, 3519329), (11, 1919634), (22, 959817), (33, 639878), (37, 570702), (66, 319939), (74, 285351), (111, 190234), (222, 95117), (407, 51882), (814, 25941), (1221, 17294), (2442, 8647)]