21094587

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 32288256

約数和(自身を除く): 11193669

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1847, 3807, 5541, 11421, 16623, 49869, 86809, 149607, 260427, 448821, 781281, 2343843, 7031529, 21094587]

約数ペア:

[(1, 21094587), (3, 7031529), (9, 2343843), (27, 781281), (47, 448821), (81, 260427), (141, 149607), (243, 86809), (423, 49869), (1269, 16623), (1847, 11421), (3807, 5541)]