21167277235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19155907}}^1$

素因数の和:19155942

約数の個数: 16

約数和(自身を含む): 28963732896

約数和(自身を除く): 7796455661

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19155907, 95779535, 249026791, 325650419, 1245133955, 1628252095, 4233455447, 21167277235]

約数ペア:

[(1, 21167277235), (5, 4233455447), (13, 1628252095), (17, 1245133955), (65, 325650419), (85, 249026791), (221, 95779535), (1105, 19155907)]