20211059127

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1\times {\mathrm{24907}}^1$

素因数の和:27207

約数の個数: 32

約数和(自身を含む): 32625096192

約数和(自身を除く): 12414037065

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2273, 6819, 15911, 24907, 38641, 47733, 74721, 115923, 174349, 270487, 423419, 523047, 811461, 1270257, 2963933, 8891799, 56613611, 169840833, 396295277, 962431387, 1188885831, 2887294161, 6737019709, 20211059127]

約数ペア:

[(1, 20211059127), (3, 6737019709), (7, 2887294161), (17, 1188885831), (21, 962431387), (51, 396295277), (119, 169840833), (357, 56613611), (2273, 8891799), (6819, 2963933), (15911, 1270257), (24907, 811461), (38641, 523047), (47733, 423419), (74721, 270487), (115923, 174349)]