21937512961

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{131}}^1\times {\mathrm{10889}}^1$

素因数の和:11066

約数の個数: 32

約数和(自身を含む): 27369619200

約数和(自身を除く): 5432106239

約数列:

[1, 7, 13, 91, 131, 169, 917, 1183, 1703, 2197, 10889, 11921, 15379, 22139, 76223, 141557, 154973, 287807, 990899, 1426459, 1840241, 2014649, 9985213, 12881687, 18543967, 23923133, 129807769, 167461931, 241071571, 1687500997, 3133930423, 21937512961]

約数ペア:

[(1, 21937512961), (7, 3133930423), (13, 1687500997), (91, 241071571), (131, 167461931), (169, 129807769), (917, 23923133), (1183, 18543967), (1703, 12881687), (2197, 9985213), (10889, 2014649), (11921, 1840241), (15379, 1426459), (22139, 990899), (76223, 287807), (141557, 154973)]