16930921

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 3983063

約数列:

[1, 7, 23, 49, 83, 161, 181, 581, 1127, 1267, 1909, 4067, 4163, 8869, 13363, 15023, 29141, 93541, 105161, 203987, 345529, 736127, 2418703, 16930921]

約数ペア:

[(1, 16930921), (7, 2418703), (23, 736127), (49, 345529), (83, 203987), (161, 105161), (181, 93541), (581, 29141), (1127, 15023), (1267, 13363), (1909, 8869), (4067, 4163)]