21262810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 40227840

約数和(自身を除く): 18965030

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 479, 958, 965, 1930, 2395, 4439, 4790, 8878, 11017, 22034, 22195, 44390, 55085, 92447, 110170, 184894, 462235, 924470, 2126281, 4252562, 10631405, 21262810]

約数ペア:

[(1, 21262810), (2, 10631405), (5, 4252562), (10, 2126281), (23, 924470), (46, 462235), (115, 184894), (193, 110170), (230, 92447), (386, 55085), (479, 44390), (958, 22195), (965, 22034), (1930, 11017), (2395, 8878), (4439, 4790)]