21071128946

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1\times {\mathrm{9283}}^1$

素因数の和:11586

約数の個数: 32

約数和(自身を含む): 36637189248

約数和(自身を除く): 15566060302

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 2221, 4442, 9283, 15547, 18566, 31094, 64981, 129962, 162133, 324266, 677659, 1134931, 1355318, 2269862, 4743613, 9487226, 20617543, 41235086, 144322801, 288645602, 1505080639, 3010161278, 10535564473, 21071128946]

約数ペア:

[(1, 21071128946), (2, 10535564473), (7, 3010161278), (14, 1505080639), (73, 288645602), (146, 144322801), (511, 41235086), (1022, 20617543), (2221, 9487226), (4442, 4743613), (9283, 2269862), (15547, 1355318), (18566, 1134931), (31094, 677659), (64981, 324266), (129962, 162133)]