21242019955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{33911}}^1$

素因数の和:34371

約数の個数: 32

約数和(自身を含む): 28713968640

約数和(自身を除く): 7471948685

約数列:

[1, 5, 13, 23, 65, 115, 299, 419, 1495, 2095, 5447, 9637, 27235, 33911, 48185, 125281, 169555, 440843, 626405, 779953, 2204215, 3899765, 10139389, 14208709, 50696945, 71043545, 184713217, 326800307, 923566085, 1634001535, 4248403991, 21242019955]

約数ペア:

[(1, 21242019955), (5, 4248403991), (13, 1634001535), (23, 923566085), (65, 326800307), (115, 184713217), (299, 71043545), (419, 50696945), (1495, 14208709), (2095, 10139389), (5447, 3899765), (9637, 2204215), (27235, 779953), (33911, 626405), (48185, 440843), (125281, 169555)]