21771569105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30449747}}^1$

素因数の和:30449776

約数の個数: 16

約数和(自身を含む): 30693345984

約数和(自身を除く): 8921776879

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30449747, 152248735, 334947217, 395846711, 1674736085, 1979233555, 4354313821, 21771569105]

約数ペア:

[(1, 21771569105), (5, 4354313821), (11, 1979233555), (13, 1674736085), (55, 395846711), (65, 334947217), (143, 152248735), (715, 30449747)]