21709716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258449}}^1$

素因数の和:258463

約数の個数: 24

約数和(自身を含む): 57892800

約数和(自身を除く): 36183084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258449, 516898, 775347, 1033796, 1550694, 1809143, 3101388, 3618286, 5427429, 7236572, 10854858, 21709716]

約数ペア:

[(1, 21709716), (2, 10854858), (3, 7236572), (4, 5427429), (6, 3618286), (7, 3101388), (12, 1809143), (14, 1550694), (21, 1033796), (28, 775347), (42, 516898), (84, 258449)]