21085476

素因数分解:

$2^2\times 3^1\times {\mathrm{563}}^1\times {\mathrm{3121}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 49302624

約数和(自身を除く): 28217148

約数列:

[1, 2, 3, 4, 6, 12, 563, 1126, 1689, 2252, 3121, 3378, 6242, 6756, 9363, 12484, 18726, 37452, 1757123, 3514246, 5271369, 7028492, 10542738, 21085476]

約数ペア:

[(1, 21085476), (2, 10542738), (3, 7028492), (4, 5271369), (6, 3514246), (12, 1757123), (563, 37452), (1126, 18726), (1689, 12484), (2252, 9363), (3121, 6756), (3378, 6242)]