21893585

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27197}}^1$

素因数の和:27232

約数の個数: 16

約数和(自身を含む): 31332096

約数和(自身を除く): 9438511

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 27197, 135985, 190379, 625531, 951895, 3127655, 4378717, 21893585]

約数ペア:

[(1, 21893585), (5, 4378717), (7, 3127655), (23, 951895), (35, 625531), (115, 190379), (161, 135985), (805, 27197)]