21458199

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60107}}^1$

素因数の和:60134

約数の個数: 16

約数和(自身を含む): 34622208

約数和(自身を除く): 13164009

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60107, 180321, 420749, 1021819, 1262247, 3065457, 7152733, 21458199]

約数ペア:

[(1, 21458199), (3, 7152733), (7, 3065457), (17, 1262247), (21, 1021819), (51, 420749), (119, 180321), (357, 60107)]