21083766

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 46941552

約数和(自身を除く): 25857786

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 121, 226, 242, 257, 339, 363, 514, 678, 726, 771, 1243, 1542, 2486, 2827, 3729, 5654, 7458, 8481, 13673, 16962, 27346, 29041, 31097, 41019, 58082, 62194, 82038, 87123, 93291, 174246, 186582, 319451, 638902, 958353, 1916706, 3513961, 7027922, 10541883, 21083766]

約数ペア:

[(1, 21083766), (2, 10541883), (3, 7027922), (6, 3513961), (11, 1916706), (22, 958353), (33, 638902), (66, 319451), (113, 186582), (121, 174246), (226, 93291), (242, 87123), (257, 82038), (339, 62194), (363, 58082), (514, 41019), (678, 31097), (726, 29041), (771, 27346), (1243, 16962), (1542, 13673), (2486, 8481), (2827, 7458), (3729, 5654)]