21291210722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{1117}}^1$

素因数の和:1467

約数の個数: 64

約数和(自身を含む): 35604990720

約数和(自身を除く): 14313779998

約数列:

[1, 2, 19, 23, 38, 46, 113, 193, 226, 386, 437, 874, 1117, 2147, 2234, 2599, 3667, 4294, 4439, 5198, 7334, 8878, 21223, 21809, 25691, 42446, 43618, 49381, 51382, 84341, 98762, 126221, 168682, 215581, 252442, 414371, 431162, 488129, 501607, 828742, 976258, 1003214, 2398199, 2903083, 4096039, 4796398, 4958363, 5806166, 8192078, 9530533, 9916726, 19061066, 24360653, 48721306, 55158577, 94208897, 110317154, 188417794, 462852407, 560295019, 925704814, 1120590038, 10645605361, 21291210722]

約数ペア:

[(1, 21291210722), (2, 10645605361), (19, 1120590038), (23, 925704814), (38, 560295019), (46, 462852407), (113, 188417794), (193, 110317154), (226, 94208897), (386, 55158577), (437, 48721306), (874, 24360653), (1117, 19061066), (2147, 9916726), (2234, 9530533), (2599, 8192078), (3667, 5806166), (4294, 4958363), (4439, 4796398), (5198, 4096039), (7334, 2903083), (8878, 2398199), (21223, 1003214), (21809, 976258), (25691, 828742), (42446, 501607), (43618, 488129), (49381, 431162), (51382, 414371), (84341, 252442), (98762, 215581), (126221, 168682)]