21005682

素因数分解:

$2^1\times 3^1\times {\mathrm{1249}}^1\times {\mathrm{2803}}^1$

素因数の和:4057

約数の個数: 16

約数和(自身を含む): 42060000

約数和(自身を除く): 21054318

約数列:

[1, 2, 3, 6, 1249, 2498, 2803, 3747, 5606, 7494, 8409, 16818, 3500947, 7001894, 10502841, 21005682]

約数ペア:

[(1, 21005682), (2, 10502841), (3, 7001894), (6, 3500947), (1249, 16818), (2498, 8409), (2803, 7494), (3747, 5606)]