21087432

素因数分解:

$2^3\times 3^3\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37880568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 233, 419, 466, 699, 838, 932, 1257, 1398, 1676, 1864, 2097, 2514, 2796, 3352, 3771, 4194, 5028, 5592, 6291, 7542, 8388, 10056, 11313, 12582, 15084, 16776, 22626, 25164, 30168, 45252, 50328, 90504, 97627, 195254, 292881, 390508, 585762, 781016, 878643, 1171524, 1757286, 2343048, 2635929, 3514572, 5271858, 7029144, 10543716, 21087432]

約数ペア:

[(1, 21087432), (2, 10543716), (3, 7029144), (4, 5271858), (6, 3514572), (8, 2635929), (9, 2343048), (12, 1757286), (18, 1171524), (24, 878643), (27, 781016), (36, 585762), (54, 390508), (72, 292881), (108, 195254), (216, 97627), (233, 90504), (419, 50328), (466, 45252), (699, 30168), (838, 25164), (932, 22626), (1257, 16776), (1398, 15084), (1676, 12582), (1864, 11313), (2097, 10056), (2514, 8388), (2796, 7542), (3352, 6291), (3771, 5592), (4194, 5028)]