21190135681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{339091}}^1$

素因数の和:339157

約数の個数: 32

約数和(自身を含む): 27344378880

約数和(自身を除く): 6154243199

約数列:

[1, 11, 13, 19, 23, 143, 209, 247, 253, 299, 437, 2717, 3289, 4807, 5681, 62491, 339091, 3730001, 4408183, 6442729, 7799093, 48490013, 70870019, 83755477, 85790023, 101388209, 148182767, 921310247, 1115270299, 1630010437, 1926375971, 21190135681]

約数ペア:

[(1, 21190135681), (11, 1926375971), (13, 1630010437), (19, 1115270299), (23, 921310247), (143, 148182767), (209, 101388209), (247, 85790023), (253, 83755477), (299, 70870019), (437, 48490013), (2717, 7799093), (3289, 6442729), (4807, 4408183), (5681, 3730001), (62491, 339091)]