21478482

素因数分解:

$2^1\times 3^2\times {\mathrm{1019}}^1\times {\mathrm{1171}}^1$

素因数の和:2198

約数の個数: 24

約数和(自身を含む): 46622160

約数和(自身を除く): 25143678

約数列:

[1, 2, 3, 6, 9, 18, 1019, 1171, 2038, 2342, 3057, 3513, 6114, 7026, 9171, 10539, 18342, 21078, 1193249, 2386498, 3579747, 7159494, 10739241, 21478482]

約数ペア:

[(1, 21478482), (2, 10739241), (3, 7159494), (6, 3579747), (9, 2386498), (18, 1193249), (1019, 21078), (1171, 18342), (2038, 10539), (2342, 9171), (3057, 7026), (3513, 6114)]