21607803

素因数分解:

$3^5\times 7^1\times {\mathrm{12703}}^1$

素因数の和:12725

約数の個数: 24

約数和(自身を含む): 36994048

約数和(自身を除く): 15386245

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12703, 38109, 88921, 114327, 266763, 342981, 800289, 1028943, 2400867, 3086829, 7202601, 21607803]

約数ペア:

[(1, 21607803), (3, 7202601), (7, 3086829), (9, 2400867), (21, 1028943), (27, 800289), (63, 342981), (81, 266763), (189, 114327), (243, 88921), (567, 38109), (1701, 12703)]