21745968

素因数分解:

$2^4\times 3^1\times {\mathrm{449}}^1\times {\mathrm{1009}}^1$

素因数の和:1469

約数の個数: 40

約数和(自身を含む): 56358000

約数和(自身を除く): 34612032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449, 898, 1009, 1347, 1796, 2018, 2694, 3027, 3592, 4036, 5388, 6054, 7184, 8072, 10776, 12108, 16144, 21552, 24216, 48432, 453041, 906082, 1359123, 1812164, 2718246, 3624328, 5436492, 7248656, 10872984, 21745968]

約数ペア:

[(1, 21745968), (2, 10872984), (3, 7248656), (4, 5436492), (6, 3624328), (8, 2718246), (12, 1812164), (16, 1359123), (24, 906082), (48, 453041), (449, 48432), (898, 24216), (1009, 21552), (1347, 16144), (1796, 12108), (2018, 10776), (2694, 8072), (3027, 7184), (3592, 6054), (4036, 5388)]