21841806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{520043}}^1$

素因数の和:520055

約数の個数: 16

約数和(自身を含む): 49924224

約数和(自身を除く): 28082418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 520043, 1040086, 1560129, 3120258, 3640301, 7280602, 10920903, 21841806]

約数ペア:

[(1, 21841806), (2, 10920903), (3, 7280602), (6, 3640301), (7, 3120258), (14, 1560129), (21, 1040086), (42, 520043)]