21356142

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{75731}}^1$

素因数の和:75783

約数の個数: 16

約数和(自身を含む): 43621632

約数和(自身を除く): 22265490

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 75731, 151462, 227193, 454386, 3559357, 7118714, 10678071, 21356142]

約数ペア:

[(1, 21356142), (2, 10678071), (3, 7118714), (6, 3559357), (47, 454386), (94, 227193), (141, 151462), (282, 75731)]