21167843

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 23673600

約数和(自身を除く): 2505757

約数列:

[1, 19, 23, 59, 437, 821, 1121, 1357, 15599, 18883, 25783, 48439, 358777, 920341, 1114097, 21167843]

約数ペア:

[(1, 21167843), (19, 1114097), (23, 920341), (59, 358777), (437, 48439), (821, 25783), (1121, 18883), (1357, 15599)]