21826910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3947}}^1$

素因数の和:4040

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 23654050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3947, 5530, 7894, 19735, 27629, 39470, 55258, 138145, 276290, 311813, 623626, 1559065, 2182691, 3118130, 4365382, 10913455, 21826910]

約数ペア:

[(1, 21826910), (2, 10913455), (5, 4365382), (7, 3118130), (10, 2182691), (14, 1559065), (35, 623626), (70, 311813), (79, 276290), (158, 138145), (395, 55258), (553, 39470), (790, 27629), (1106, 19735), (2765, 7894), (3947, 5530)]