21032478

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{4889}}^1$

素因数の和:5136

約数の個数: 24

約数和(自身を含む): 45770400

約数和(自身を除く): 24737922

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 4889, 9778, 14667, 29334, 44001, 88002, 1168471, 2336942, 3505413, 7010826, 10516239, 21032478]

約数ペア:

[(1, 21032478), (2, 10516239), (3, 7010826), (6, 3505413), (9, 2336942), (18, 1168471), (239, 88002), (478, 44001), (717, 29334), (1434, 14667), (2151, 9778), (4302, 4889)]