21395254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7127}}^1$

素因数の和:7227

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 12819146

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 7127, 14254, 135413, 270826, 563033, 1126066, 10697627, 21395254]

約数ペア:

[(1, 21395254), (2, 10697627), (19, 1126066), (38, 563033), (79, 270826), (158, 135413), (1501, 14254), (3002, 7127)]