21202587

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6599}}^1$

素因数の和:6632

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 16813413

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6599, 19797, 46193, 59391, 112183, 138579, 178173, 336549, 415737, 785281, 1009647, 1247211, 2355843, 3028941, 7067529, 21202587]

約数ペア:

[(1, 21202587), (3, 7067529), (7, 3028941), (9, 2355843), (17, 1247211), (21, 1009647), (27, 785281), (51, 415737), (63, 336549), (119, 178173), (153, 138579), (189, 112183), (357, 59391), (459, 46193), (1071, 19797), (3213, 6599)]