21031714555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1\times {\mathrm{12043}}^1$

素因数の和:12691

約数の個数: 32

約数和(自身を含む): 27471882240

約数和(自身を除く): 6440167685

約数列:

[1, 5, 19, 31, 95, 155, 589, 593, 2945, 2965, 11267, 12043, 18383, 56335, 60215, 91915, 228817, 349277, 373333, 1144085, 1746385, 1866665, 7093327, 7141499, 35466635, 35707495, 135688481, 221386469, 678442405, 1106932345, 4206342911, 21031714555]

約数ペア:

[(1, 21031714555), (5, 4206342911), (19, 1106932345), (31, 678442405), (95, 221386469), (155, 135688481), (589, 35707495), (593, 35466635), (2945, 7141499), (2965, 7093327), (11267, 1866665), (12043, 1746385), (18383, 1144085), (56335, 373333), (60215, 349277), (91915, 228817)]