21207508386

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153677597}}^1$

素因数の和:153677625

約数の個数: 16

約数和(自身を含む): 44259148224

約数和(自身を除く): 23051639838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153677597, 307355194, 461032791, 922065582, 3534584731, 7069169462, 10603754193, 21207508386]

約数ペア:

[(1, 21207508386), (2, 10603754193), (3, 7069169462), (6, 3534584731), (23, 922065582), (46, 461032791), (69, 307355194), (138, 153677597)]