21224828

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 38789184

約数和(自身を除く): 17564356

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 2351, 4514, 4702, 9028, 9404, 86987, 143411, 173974, 286822, 347948, 573644, 5306207, 10612414, 21224828]

約数ペア:

[(1, 21224828), (2, 10612414), (4, 5306207), (37, 573644), (61, 347948), (74, 286822), (122, 173974), (148, 143411), (244, 86987), (2257, 9404), (2351, 9028), (4514, 4702)]