21969821

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 1362019

約数列:

[1, 47, 61, 79, 97, 2867, 3713, 4559, 4819, 5917, 7663, 226493, 278099, 360161, 467443, 21969821]

約数ペア:

[(1, 21969821), (47, 467443), (61, 360161), (79, 278099), (97, 226493), (2867, 7663), (3713, 5917), (4559, 4819)]