21463219

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 23173920

約数和(自身を除く): 1710701

約数列:

[1, 29, 37, 83, 241, 1073, 2407, 3071, 6989, 8917, 20003, 89059, 258593, 580087, 740111, 21463219]

約数ペア:

[(1, 21463219), (29, 740111), (37, 580087), (83, 258593), (241, 89059), (1073, 20003), (2407, 8917), (3071, 6989)]