21199344

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10271}}^1$

素因数の和:10325

約数の個数: 40

約数和(自身を含む): 56044032

約数和(自身を除く): 34844688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10271, 20542, 30813, 41084, 61626, 82168, 123252, 164336, 246504, 441653, 493008, 883306, 1324959, 1766612, 2649918, 3533224, 5299836, 7066448, 10599672, 21199344]

約数ペア:

[(1, 21199344), (2, 10599672), (3, 7066448), (4, 5299836), (6, 3533224), (8, 2649918), (12, 1766612), (16, 1324959), (24, 883306), (43, 493008), (48, 441653), (86, 246504), (129, 164336), (172, 123252), (258, 82168), (344, 61626), (516, 41084), (688, 30813), (1032, 20542), (2064, 10271)]