21241290055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1\times {\mathrm{2591}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 26551369728

約数和(自身を除く): 5310079673

約数列:

[1, 5, 31, 155, 227, 233, 1135, 1165, 2591, 7037, 7223, 12955, 35185, 36115, 52891, 80321, 264455, 401605, 588157, 603703, 1639621, 2940785, 3018515, 8198105, 18232867, 18714793, 91164335, 93573965, 137040581, 685202905, 4248258011, 21241290055]

約数ペア:

[(1, 21241290055), (5, 4248258011), (31, 685202905), (155, 137040581), (227, 93573965), (233, 91164335), (1135, 18714793), (1165, 18232867), (2591, 8198105), (7037, 3018515), (7223, 2940785), (12955, 1639621), (35185, 603703), (36115, 588157), (52891, 401605), (80321, 264455)]