21897132355

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{55351}}^1$

素因数の和:55579

約数の個数: 32

約数和(自身を含む): 30607441920

約数和(自身を除く): 8710309565

約数列:

[1, 5, 7, 35, 89, 127, 445, 623, 635, 889, 3115, 4445, 11303, 55351, 56515, 79121, 276755, 387457, 395605, 1937285, 4926239, 7029577, 24631195, 34483673, 35147885, 49207039, 172418365, 246035195, 625632353, 3128161765, 4379426471, 21897132355]

約数ペア:

[(1, 21897132355), (5, 4379426471), (7, 3128161765), (35, 625632353), (89, 246035195), (127, 172418365), (445, 49207039), (623, 35147885), (635, 34483673), (889, 24631195), (3115, 7029577), (4445, 4926239), (11303, 1937285), (55351, 395605), (56515, 387457), (79121, 276755)]