21771321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2717

約数の個数: 32

約数和(自身を含む): 35911680

約数和(自身を除く): 14140359

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2671, 2717, 8013, 8151, 29381, 34723, 50749, 88143, 104169, 152247, 381953, 558239, 659737, 1145859, 1674717, 1979211, 7257107, 21771321]

約数ペア:

[(1, 21771321), (3, 7257107), (11, 1979211), (13, 1674717), (19, 1145859), (33, 659737), (39, 558239), (57, 381953), (143, 152247), (209, 104169), (247, 88143), (429, 50749), (627, 34723), (741, 29381), (2671, 8151), (2717, 8013)]