21805555198

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{45841}}^1$

素因数の和:46468

約数の個数: 32

約数和(自身を含む): 38062795968

約数和(自身を除く): 16257240770

約数列:

[1, 2, 7, 14, 61, 122, 427, 557, 854, 1114, 3899, 7798, 33977, 45841, 67954, 91682, 237839, 320887, 475678, 641774, 2796301, 5592602, 19574107, 25533437, 39148214, 51066874, 178734059, 357468118, 1557539657, 3115079314, 10902777599, 21805555198]

約数ペア:

[(1, 21805555198), (2, 10902777599), (7, 3115079314), (14, 1557539657), (61, 357468118), (122, 178734059), (427, 51066874), (557, 39148214), (854, 25533437), (1114, 19574107), (3899, 5592602), (7798, 2796301), (33977, 641774), (45841, 475678), (67954, 320887), (91682, 237839)]