21432068

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9689}}^1$

素因数の和:9779

約数の個数: 24

約数和(自身を含む): 43411200

約数和(自身を除く): 21979132

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9689, 19378, 38756, 67823, 135646, 271292, 765431, 1530862, 3061724, 5358017, 10716034, 21432068]

約数ペア:

[(1, 21432068), (2, 10716034), (4, 5358017), (7, 3061724), (14, 1530862), (28, 765431), (79, 271292), (158, 135646), (316, 67823), (553, 38756), (1106, 19378), (2212, 9689)]