21436623

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 34507200

約数和(自身を除く): 13070577

約数列:

[1, 3, 9, 13, 27, 39, 117, 157, 351, 389, 471, 1167, 1413, 2041, 3501, 4239, 5057, 6123, 10503, 15171, 18369, 45513, 55107, 61073, 136539, 183219, 549657, 793949, 1648971, 2381847, 7145541, 21436623]

約数ペア:

[(1, 21436623), (3, 7145541), (9, 2381847), (13, 1648971), (27, 793949), (39, 549657), (117, 183219), (157, 136539), (351, 61073), (389, 55107), (471, 45513), (1167, 18369), (1413, 15171), (2041, 10503), (3501, 6123), (4239, 5057)]