21897196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12527}}^1$

素因数の和:12573

約数の個数: 24

約数和(自身を含む): 42094080

約数和(自身を除く): 20196884

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12527, 25054, 50108, 238013, 288121, 476026, 576242, 952052, 1152484, 5474299, 10948598, 21897196]

約数ペア:

[(1, 21897196), (2, 10948598), (4, 5474299), (19, 1152484), (23, 952052), (38, 576242), (46, 476026), (76, 288121), (92, 238013), (437, 50108), (874, 25054), (1748, 12527)]