21871572

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20479}}^1$

素因数の和:20575

約数の個数: 24

約数和(自身を含む): 51609600

約数和(自身を除く): 29738028

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20479, 40958, 61437, 81916, 122874, 245748, 1822631, 3645262, 5467893, 7290524, 10935786, 21871572]

約数ペア:

[(1, 21871572), (2, 10935786), (3, 7290524), (4, 5467893), (6, 3645262), (12, 1822631), (89, 245748), (178, 122874), (267, 81916), (356, 61437), (534, 40958), (1068, 20479)]