21939804

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{14173}}^1$

素因数の和:14226

約数の個数: 36

約数和(自身を含む): 56752696

約数和(自身を除く): 34812892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 14173, 28346, 42519, 56692, 85038, 127557, 170076, 255114, 510228, 609439, 1218878, 1828317, 2437756, 3656634, 5484951, 7313268, 10969902, 21939804]

約数ペア:

[(1, 21939804), (2, 10969902), (3, 7313268), (4, 5484951), (6, 3656634), (9, 2437756), (12, 1828317), (18, 1218878), (36, 609439), (43, 510228), (86, 255114), (129, 170076), (172, 127557), (258, 85038), (387, 56692), (516, 42519), (774, 28346), (1548, 14173)]