21177471742

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{66541}}^1$

素因数の和:66856

約数の個数: 32

約数和(自身を含む): 36795064320

約数和(自身を除く): 15617592578

約数列:

[1, 2, 7, 14, 127, 179, 254, 358, 889, 1253, 1778, 2506, 22733, 45466, 66541, 133082, 159131, 318262, 465787, 931574, 8450707, 11910839, 16901414, 23821678, 59154949, 83375873, 118309898, 166751746, 1512676553, 3025353106, 10588735871, 21177471742]

約数ペア:

[(1, 21177471742), (2, 10588735871), (7, 3025353106), (14, 1512676553), (127, 166751746), (179, 118309898), (254, 83375873), (358, 59154949), (889, 23821678), (1253, 16901414), (1778, 11910839), (2506, 8450707), (22733, 931574), (45466, 465787), (66541, 318262), (133082, 159131)]