21528024

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 62054400

約数和(自身を除く): 40526376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 1009, 1016, 1524, 1778, 2018, 2667, 3027, 3048, 3556, 4036, 5334, 6054, 7063, 7112, 8072, 10668, 12108, 14126, 21189, 21336, 24216, 28252, 42378, 56504, 84756, 128143, 169512, 256286, 384429, 512572, 768858, 897001, 1025144, 1537716, 1794002, 2691003, 3075432, 3588004, 5382006, 7176008, 10764012, 21528024]

約数ペア:

[(1, 21528024), (2, 10764012), (3, 7176008), (4, 5382006), (6, 3588004), (7, 3075432), (8, 2691003), (12, 1794002), (14, 1537716), (21, 1025144), (24, 897001), (28, 768858), (42, 512572), (56, 384429), (84, 256286), (127, 169512), (168, 128143), (254, 84756), (381, 56504), (508, 42378), (762, 28252), (889, 24216), (1009, 21336), (1016, 21189), (1524, 14126), (1778, 12108), (2018, 10668), (2667, 8072), (3027, 7112), (3048, 7063), (3556, 6054), (4036, 5334)]