21707158

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4764

約数の個数: 24

約数和(自身を含む): 37681560

約数和(自身を除く): 15974402

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 4721, 9442, 51931, 89699, 103862, 179398, 571241, 986689, 1142482, 1973378, 10853579, 21707158]

約数ペア:

[(1, 21707158), (2, 10853579), (11, 1973378), (19, 1142482), (22, 986689), (38, 571241), (121, 179398), (209, 103862), (242, 89699), (418, 51931), (2299, 9442), (4598, 4721)]