21088298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3701}}^1$

素因数の和:3758

約数の個数: 32

約数和(自身を含む): 40514688

約数和(自身を除く): 19426390

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3701, 5698, 7402, 25907, 40711, 51814, 81422, 136937, 273874, 284977, 569954, 958559, 1506307, 1917118, 3012614, 10544149, 21088298]

約数ペア:

[(1, 21088298), (2, 10544149), (7, 3012614), (11, 1917118), (14, 1506307), (22, 958559), (37, 569954), (74, 284977), (77, 273874), (154, 136937), (259, 81422), (407, 51814), (518, 40711), (814, 25907), (2849, 7402), (3701, 5698)]