21061833

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5347}}^1$

素因数の和:5464

約数の個数: 16

約数和(自身を含む): 30547776

約数和(自身を除く): 9485943

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5347, 16041, 69511, 208533, 540047, 1620141, 7020611, 21061833]

約数ペア:

[(1, 21061833), (3, 7020611), (13, 1620141), (39, 540047), (101, 208533), (303, 69511), (1313, 16041), (3939, 5347)]