21403804926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509614403}}^1$

素因数の和:509614415

約数の個数: 16

約数和(自身を含む): 48922982784

約数和(自身を除く): 27519177858

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509614403, 1019228806, 1528843209, 3057686418, 3567300821, 7134601642, 10701902463, 21403804926]

約数ペア:

[(1, 21403804926), (2, 10701902463), (3, 7134601642), (6, 3567300821), (7, 3057686418), (14, 1528843209), (21, 1019228806), (42, 509614403)]