21625989

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5507}}^1$

素因数の和:5545

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 16445307

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5507, 16521, 38549, 60577, 93619, 115647, 181731, 280857, 424039, 655333, 1029809, 1272117, 1965999, 3089427, 7208663, 21625989]

約数ペア:

[(1, 21625989), (3, 7208663), (7, 3089427), (11, 1965999), (17, 1272117), (21, 1029809), (33, 655333), (51, 424039), (77, 280857), (119, 181731), (187, 115647), (231, 93619), (357, 60577), (561, 38549), (1309, 16521), (3927, 5507)]