23219721

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5501}}^1$

素因数の和:5581

約数の個数: 24

約数和(自身を含む): 38910144

約数和(自身を除く): 15690423

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 5501, 16503, 38507, 49509, 115521, 346563, 368567, 1105701, 2579969, 3317103, 7739907, 23219721]

約数ペア:

[(1, 23219721), (3, 7739907), (7, 3317103), (9, 2579969), (21, 1105701), (63, 368567), (67, 346563), (201, 115521), (469, 49509), (603, 38507), (1407, 16503), (4221, 5501)]