21023618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 18540670

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 647, 1294, 1477, 2321, 2954, 4529, 4642, 7117, 9058, 14234, 16247, 32494, 49819, 99638, 136517, 273034, 955619, 1501687, 1911238, 3003374, 10511809, 21023618]

約数ペア:

[(1, 21023618), (2, 10511809), (7, 3003374), (11, 1911238), (14, 1501687), (22, 955619), (77, 273034), (154, 136517), (211, 99638), (422, 49819), (647, 32494), (1294, 16247), (1477, 14234), (2321, 9058), (2954, 7117), (4529, 4642)]