21292733

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 27936384

約数和(自身を除く): 6643651

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1093, 1771, 2783, 7651, 12023, 19481, 25139, 84161, 132253, 175973, 276529, 925771, 1935703, 3041819, 21292733]

約数ペア:

[(1, 21292733), (7, 3041819), (11, 1935703), (23, 925771), (77, 276529), (121, 175973), (161, 132253), (253, 84161), (847, 25139), (1093, 19481), (1771, 12023), (2783, 7651)]