21471342

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5531}}^1$

素因数の和:6183

約数の個数: 16

約数和(自身を含む): 43016832

約数和(自身を除く): 21545490

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5531, 11062, 16593, 33186, 3578557, 7157114, 10735671, 21471342]

約数ペア:

[(1, 21471342), (2, 10735671), (3, 7157114), (6, 3578557), (647, 33186), (1294, 16593), (1941, 11062), (3882, 5531)]