21568113

素因数分解:

$3^4\times 7^1\times {\mathrm{38039}}^1$

素因数の和:38058

約数の個数: 20

約数和(自身を含む): 36822720

約数和(自身を除く): 15254607

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 38039, 114117, 266273, 342351, 798819, 1027053, 2396457, 3081159, 7189371, 21568113]

約数ペア:

[(1, 21568113), (3, 7189371), (7, 3081159), (9, 2396457), (21, 1027053), (27, 798819), (63, 342351), (81, 266273), (189, 114117), (567, 38039)]