21278619646

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{16369}}^1$

素因数の和:16636

約数の個数: 32

約数和(自身を含む): 33060852000

約数和(自身を除く): 11782232354

約数列:

[1, 2, 67, 89, 109, 134, 178, 218, 5963, 7303, 9701, 11926, 14606, 16369, 19402, 32738, 649967, 1096723, 1299934, 1456841, 1784221, 2193446, 2913682, 3568442, 97608347, 119542807, 158795669, 195216694, 239085614, 317591338, 10639309823, 21278619646]

約数ペア:

[(1, 21278619646), (2, 10639309823), (67, 317591338), (89, 239085614), (109, 195216694), (134, 158795669), (178, 119542807), (218, 97608347), (5963, 3568442), (7303, 2913682), (9701, 2193446), (11926, 1784221), (14606, 1456841), (16369, 1299934), (19402, 1096723), (32738, 649967)]