21112742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 39232512

約数和(自身を除く): 18119770

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2063, 4126, 5117, 10234, 14441, 28882, 35071, 70142, 88709, 177418, 245497, 490994, 620963, 1241926, 1508053, 3016106, 10556371, 21112742]

約数ペア:

[(1, 21112742), (2, 10556371), (7, 3016106), (14, 1508053), (17, 1241926), (34, 620963), (43, 490994), (86, 245497), (119, 177418), (238, 88709), (301, 70142), (602, 35071), (731, 28882), (1462, 14441), (2063, 10234), (4126, 5117)]