22216509

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 16221891

約数列:

[1, 3, 7, 9, 21, 43, 59, 63, 129, 139, 177, 301, 387, 413, 417, 531, 903, 973, 1239, 1251, 2537, 2709, 2919, 3717, 5977, 7611, 8201, 8757, 17759, 17931, 22833, 24603, 41839, 53277, 53793, 57407, 73809, 125517, 159831, 172221, 352643, 376551, 516663, 1057929, 2468501, 3173787, 7405503, 22216509]

約数ペア:

[(1, 22216509), (3, 7405503), (7, 3173787), (9, 2468501), (21, 1057929), (43, 516663), (59, 376551), (63, 352643), (129, 172221), (139, 159831), (177, 125517), (301, 73809), (387, 57407), (413, 53793), (417, 53277), (531, 41839), (903, 24603), (973, 22833), (1239, 17931), (1251, 17759), (2537, 8757), (2709, 8201), (2919, 7611), (3717, 5977)]