2181396021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149033}}^1$

素因数の和:149101

約数の個数: 32

約数和(自身を含む): 3605430528

約数和(自身を除く): 1424034507

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 14637, 149033, 447099, 1043231, 2533561, 3129693, 6110353, 7600683, 17734927, 18331059, 42772471, 53204781, 103876001, 128317413, 311628003, 727132007, 2181396021]

約数ペア:

[(1, 2181396021), (3, 727132007), (7, 311628003), (17, 128317413), (21, 103876001), (41, 53204781), (51, 42772471), (119, 18331059), (123, 17734927), (287, 7600683), (357, 6110353), (697, 3129693), (861, 2533561), (2091, 1043231), (4879, 447099), (14637, 149033)]