21175092

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13679}}^1$

素因数の和:13732

約数の個数: 36

約数和(自身を含む): 54774720

約数和(自身を除く): 33599628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13679, 27358, 41037, 54716, 82074, 123111, 164148, 246222, 492444, 588197, 1176394, 1764591, 2352788, 3529182, 5293773, 7058364, 10587546, 21175092]

約数ペア:

[(1, 21175092), (2, 10587546), (3, 7058364), (4, 5293773), (6, 3529182), (9, 2352788), (12, 1764591), (18, 1176394), (36, 588197), (43, 492444), (86, 246222), (129, 164148), (172, 123111), (258, 82074), (387, 54716), (516, 41037), (774, 27358), (1548, 13679)]