21860192991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{78427}}^1$

素因数の和:79471

約数の個数: 32

約数和(自身を含む): 35908730368

約数和(自身を除く): 14048537377

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1021, 3063, 7147, 13273, 21441, 39819, 78427, 92911, 235281, 278733, 548989, 1019551, 1646967, 3058653, 7136857, 21410571, 80073967, 240221901, 560517769, 1040961571, 1681553307, 3122884713, 7286730997, 21860192991]

約数ペア:

[(1, 21860192991), (3, 7286730997), (7, 3122884713), (13, 1681553307), (21, 1040961571), (39, 560517769), (91, 240221901), (273, 80073967), (1021, 21410571), (3063, 7136857), (7147, 3058653), (13273, 1646967), (21441, 1019551), (39819, 548989), (78427, 278733), (92911, 235281)]