21000306614

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2712517}}^1$

素因数の和:2712612

約数の個数: 24

約数和(自身を含む): 37107246240

約数和(自身を除く): 16106939626

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 3871, 7742, 2712517, 5425034, 18987619, 37975238, 132913333, 214288843, 265826666, 428577686, 1500021901, 3000043802, 10500153307, 21000306614]

約数ペア:

[(1, 21000306614), (2, 10500153307), (7, 3000043802), (14, 1500021901), (49, 428577686), (79, 265826666), (98, 214288843), (158, 132913333), (553, 37975238), (1106, 18987619), (3871, 5425034), (7742, 2712517)]