21365718171

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1283}}^1\times {\mathrm{7699}}^1$

素因数の和:9095

約数の個数: 32

約数和(自身を含む): 32903270400

約数和(自身を除く): 11537552229

約数列:

[1, 3, 7, 21, 103, 309, 721, 1283, 2163, 3849, 7699, 8981, 23097, 26943, 53893, 132149, 161679, 396447, 792997, 925043, 2378991, 2775129, 5550979, 9877817, 16652937, 29633451, 69144719, 207434157, 1017415151, 3052245453, 7121906057, 21365718171]

約数ペア:

[(1, 21365718171), (3, 7121906057), (7, 3052245453), (21, 1017415151), (103, 207434157), (309, 69144719), (721, 29633451), (1283, 16652937), (2163, 9877817), (3849, 5550979), (7699, 2775129), (8981, 2378991), (23097, 925043), (26943, 792997), (53893, 396447), (132149, 161679)]