2021697769

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{12227}}^1$

素因数の和:12349

約数の個数: 32

約数和(自身を含む): 2629509120

約数和(自身を除く): 607811351

約数列:

[1, 7, 13, 23, 79, 91, 161, 299, 553, 1027, 1817, 2093, 7189, 12227, 12719, 23621, 85589, 158951, 165347, 281221, 965933, 1112657, 1968547, 3655873, 6761531, 12557129, 22216459, 25591111, 87899903, 155515213, 288813967, 2021697769]

約数ペア:

[(1, 2021697769), (7, 288813967), (13, 155515213), (23, 87899903), (79, 25591111), (91, 22216459), (161, 12557129), (299, 6761531), (553, 3655873), (1027, 1968547), (1817, 1112657), (2093, 965933), (7189, 281221), (12227, 165347), (12719, 158951), (23621, 85589)]