21008214

素因数分解:

$2^1\times 3^3\times {\mathrm{389041}}^1$

素因数の和:389052

約数の個数: 16

約数和(自身を含む): 46685040

約数和(自身を除く): 25676826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389041, 778082, 1167123, 2334246, 3501369, 7002738, 10504107, 21008214]

約数ペア:

[(1, 21008214), (2, 10504107), (3, 7002738), (6, 3501369), (9, 2334246), (18, 1167123), (27, 778082), (54, 389041)]