21368004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 57458688

約数和(自身を除く): 36090684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 2003, 2667, 3556, 4006, 5334, 6009, 8012, 10668, 12018, 14021, 24036, 28042, 42063, 56084, 84126, 168252, 254381, 508762, 763143, 1017524, 1526286, 1780667, 3052572, 3561334, 5342001, 7122668, 10684002, 21368004]

約数ペア:

[(1, 21368004), (2, 10684002), (3, 7122668), (4, 5342001), (6, 3561334), (7, 3052572), (12, 1780667), (14, 1526286), (21, 1017524), (28, 763143), (42, 508762), (84, 254381), (127, 168252), (254, 84126), (381, 56084), (508, 42063), (762, 28042), (889, 24036), (1524, 14021), (1778, 12018), (2003, 10668), (2667, 8012), (3556, 6009), (4006, 5334)]