21464530

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4217}}^1$

素因数の和:4733

約数の個数: 16

約数和(自身を含む): 38721240

約数和(自身を除く): 17256710

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 4217, 5090, 8434, 21085, 42170, 2146453, 4292906, 10732265, 21464530]

約数ペア:

[(1, 21464530), (2, 10732265), (5, 4292906), (10, 2146453), (509, 42170), (1018, 21085), (2545, 8434), (4217, 5090)]