21658910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23801}}^1$

素因数の和:23828

約数の個数: 32

約数和(自身を含む): 47984832

約数和(自身を除く): 26325922

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23801, 47602, 119005, 166607, 238010, 309413, 333214, 618826, 833035, 1547065, 1666070, 2165891, 3094130, 4331782, 10829455, 21658910]

約数ペア:

[(1, 21658910), (2, 10829455), (5, 4331782), (7, 3094130), (10, 2165891), (13, 1666070), (14, 1547065), (26, 833035), (35, 618826), (65, 333214), (70, 309413), (91, 238010), (130, 166607), (182, 119005), (455, 47602), (910, 23801)]