21797618

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 24

約数和(自身を含む): 34727940

約数和(自身を除く): 12930322

約数列:

[1, 2, 29, 58, 61, 101, 122, 202, 1769, 2929, 3538, 3721, 5858, 6161, 7442, 12322, 107909, 178669, 215818, 357338, 375821, 751642, 10898809, 21797618]

約数ペア:

[(1, 21797618), (2, 10898809), (29, 751642), (58, 375821), (61, 357338), (101, 215818), (122, 178669), (202, 107909), (1769, 12322), (2929, 7442), (3538, 6161), (3721, 5858)]