21061792

素因数分解:

$2^5\times {\mathrm{499}}^1\times {\mathrm{1319}}^1$

素因数の和:1828

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 20518208

約数列:

[1, 2, 4, 8, 16, 32, 499, 998, 1319, 1996, 2638, 3992, 5276, 7984, 10552, 15968, 21104, 42208, 658181, 1316362, 2632724, 5265448, 10530896, 21061792]

約数ペア:

[(1, 21061792), (2, 10530896), (4, 5265448), (8, 2632724), (16, 1316362), (32, 658181), (499, 42208), (998, 21104), (1319, 15968), (1996, 10552), (2638, 7984), (3992, 5276)]