21342370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 22721630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 599, 1018, 1198, 2545, 2995, 3563, 4193, 5090, 5990, 7126, 8386, 17815, 20965, 35630, 41930, 304891, 609782, 1524455, 2134237, 3048910, 4268474, 10671185, 21342370]

約数ペア:

[(1, 21342370), (2, 10671185), (5, 4268474), (7, 3048910), (10, 2134237), (14, 1524455), (35, 609782), (70, 304891), (509, 41930), (599, 35630), (1018, 20965), (1198, 17815), (2545, 8386), (2995, 7126), (3563, 5990), (4193, 5090)]