21574269

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 11447811

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1889, 3807, 5667, 11421, 17001, 51003, 88783, 153009, 266349, 459027, 799047, 2397141, 7191423, 21574269]

約数ペア:

[(1, 21574269), (3, 7191423), (9, 2397141), (27, 799047), (47, 459027), (81, 266349), (141, 153009), (243, 88783), (423, 51003), (1269, 17001), (1889, 11421), (3807, 5667)]