21688734

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 44914176

約数和(自身を除く): 23225442

約数列:

[1, 2, 3, 6, 37, 74, 111, 151, 222, 302, 453, 647, 906, 1294, 1941, 3882, 5587, 11174, 16761, 23939, 33522, 47878, 71817, 97697, 143634, 195394, 293091, 586182, 3614789, 7229578, 10844367, 21688734]

約数ペア:

[(1, 21688734), (2, 10844367), (3, 7229578), (6, 3614789), (37, 586182), (74, 293091), (111, 195394), (151, 143634), (222, 97697), (302, 71817), (453, 47878), (647, 33522), (906, 23939), (1294, 16761), (1941, 11174), (3882, 5587)]