21973435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 30979584

約数和(自身を除く): 9006149

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 331, 355, 781, 935, 1207, 1655, 3641, 3905, 5627, 6035, 13277, 18205, 23501, 28135, 61897, 66385, 117505, 258511, 309485, 399517, 1292555, 1997585, 4394687, 21973435]

約数ペア:

[(1, 21973435), (5, 4394687), (11, 1997585), (17, 1292555), (55, 399517), (71, 309485), (85, 258511), (187, 117505), (331, 66385), (355, 61897), (781, 28135), (935, 23501), (1207, 18205), (1655, 13277), (3641, 6035), (3905, 5627)]