21113208

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{3533}}^1$

素因数の和:3628

約数の個数: 48

約数和(自身を含む): 57886920

約数和(自身を除く): 36773712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 498, 664, 747, 996, 1494, 1992, 2988, 3533, 5976, 7066, 10599, 14132, 21198, 28264, 31797, 42396, 63594, 84792, 127188, 254376, 293239, 586478, 879717, 1172956, 1759434, 2345912, 2639151, 3518868, 5278302, 7037736, 10556604, 21113208]

約数ペア:

[(1, 21113208), (2, 10556604), (3, 7037736), (4, 5278302), (6, 3518868), (8, 2639151), (9, 2345912), (12, 1759434), (18, 1172956), (24, 879717), (36, 586478), (72, 293239), (83, 254376), (166, 127188), (249, 84792), (332, 63594), (498, 42396), (664, 31797), (747, 28264), (996, 21198), (1494, 14132), (1992, 10599), (2988, 7066), (3533, 5976)]