21985642

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 17297558

約数列:

[1, 2, 7, 14, 43, 59, 86, 118, 301, 413, 602, 619, 826, 1238, 2537, 4333, 5074, 8666, 17759, 26617, 35518, 36521, 53234, 73042, 186319, 255647, 372638, 511294, 1570403, 3140806, 10992821, 21985642]

約数ペア:

[(1, 21985642), (2, 10992821), (7, 3140806), (14, 1570403), (43, 511294), (59, 372638), (86, 255647), (118, 186319), (301, 73042), (413, 53234), (602, 36521), (619, 35518), (826, 26617), (1238, 17759), (2537, 8666), (4333, 5074)]