21707075205

素因数分解:

$3^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{247501}}^1$

素因数の和:249461

約数の個数: 24

約数和(自身を含む): 37645054200

約数和(自身を除く): 15937978995

約数列:

[1, 3, 5, 9, 15, 45, 1949, 5847, 9745, 17541, 29235, 87705, 247501, 742503, 1237505, 2227509, 3712515, 11137545, 482379449, 1447138347, 2411897245, 4341415041, 7235691735, 21707075205]

約数ペア:

[(1, 21707075205), (3, 7235691735), (5, 4341415041), (9, 2411897245), (15, 1447138347), (45, 482379449), (1949, 11137545), (5847, 3712515), (9745, 2227509), (17541, 1237505), (29235, 742503), (87705, 247501)]