21164754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8753}}^1$

素因数の和:8802

約数の個数: 32

約数和(自身を含む): 47061504

約数和(自身を除く): 25896750

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8753, 17506, 26259, 52518, 113789, 227578, 271343, 341367, 542686, 682734, 814029, 1628058, 3527459, 7054918, 10582377, 21164754]

約数ペア:

[(1, 21164754), (2, 10582377), (3, 7054918), (6, 3527459), (13, 1628058), (26, 814029), (31, 682734), (39, 542686), (62, 341367), (78, 271343), (93, 227578), (186, 113789), (403, 52518), (806, 26259), (1209, 17506), (2418, 8753)]