21244394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{769}}^1$

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 33633600

約数和(自身を除く): 12389206

約数列:

[1, 2, 19, 38, 727, 769, 1454, 1538, 13813, 14611, 27626, 29222, 559063, 1118126, 10622197, 21244394]

約数ペア:

[(1, 21244394), (2, 10622197), (19, 1118126), (38, 559063), (727, 29222), (769, 27626), (1454, 14611), (1538, 13813)]