21473397

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4290

約数の個数: 32

約数和(自身を含む): 36754560

約数和(自身を除く): 15281163

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 4253, 5049, 12759, 38277, 46783, 72301, 114831, 140349, 216903, 421047, 650709, 795311, 1263141, 1952127, 2385933, 7157799, 21473397]

約数ペア:

[(1, 21473397), (3, 7157799), (9, 2385933), (11, 1952127), (17, 1263141), (27, 795311), (33, 650709), (51, 421047), (99, 216903), (153, 140349), (187, 114831), (297, 72301), (459, 46783), (561, 38277), (1683, 12759), (4253, 5049)]