21228

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 52080

約数和(自身を除く): 30852

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 61, 87, 116, 122, 174, 183, 244, 348, 366, 732, 1769, 3538, 5307, 7076, 10614, 21228]

約数ペア:

[(1, 21228), (2, 10614), (3, 7076), (4, 5307), (6, 3538), (12, 1769), (29, 732), (58, 366), (61, 348), (87, 244), (116, 183), (122, 174)]