21347754

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 45173760

約数和(自身を除く): 23826006

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 271, 542, 691, 813, 1382, 1626, 2073, 4146, 5149, 10298, 13129, 15447, 26258, 30894, 39387, 78774, 187261, 374522, 561783, 1123566, 3557959, 7115918, 10673877, 21347754]

約数ペア:

[(1, 21347754), (2, 10673877), (3, 7115918), (6, 3557959), (19, 1123566), (38, 561783), (57, 374522), (114, 187261), (271, 78774), (542, 39387), (691, 30894), (813, 26258), (1382, 15447), (1626, 13129), (2073, 10298), (4146, 5149)]