21438165755

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1\times {\mathrm{176221}}^1$

素因数の和:177094

約数の個数: 16

約数和(自身を含む): 26644766400

約数和(自身を除く): 5206600645

約数列:

[1, 5, 29, 145, 839, 4195, 24331, 121655, 176221, 881105, 5110409, 25552045, 147849419, 739247095, 4287633151, 21438165755]

約数ペア:

[(1, 21438165755), (5, 4287633151), (29, 739247095), (145, 147849419), (839, 25552045), (4195, 5110409), (24331, 881105), (121655, 176221)]