21381426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9817}}^1$

素因数の和:9847

約数の個数: 36

約数和(自身を含む): 50925966

約数和(自身を除く): 29544540

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9817, 19634, 29451, 58902, 88353, 107987, 176706, 215974, 323961, 647922, 971883, 1187857, 1943766, 2375714, 3563571, 7127142, 10690713, 21381426]

約数ペア:

[(1, 21381426), (2, 10690713), (3, 7127142), (6, 3563571), (9, 2375714), (11, 1943766), (18, 1187857), (22, 971883), (33, 647922), (66, 323961), (99, 215974), (121, 176706), (198, 107987), (242, 88353), (363, 58902), (726, 29451), (1089, 19634), (2178, 9817)]