21396072

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 35213208

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 83, 92, 138, 166, 184, 249, 276, 332, 467, 498, 552, 664, 934, 996, 1401, 1868, 1909, 1992, 2802, 3736, 3818, 5604, 5727, 7636, 10741, 11208, 11454, 15272, 21482, 22908, 32223, 38761, 42964, 45816, 64446, 77522, 85928, 116283, 128892, 155044, 232566, 257784, 310088, 465132, 891503, 930264, 1783006, 2674509, 3566012, 5349018, 7132024, 10698036, 21396072]

約数ペア:

[(1, 21396072), (2, 10698036), (3, 7132024), (4, 5349018), (6, 3566012), (8, 2674509), (12, 1783006), (23, 930264), (24, 891503), (46, 465132), (69, 310088), (83, 257784), (92, 232566), (138, 155044), (166, 128892), (184, 116283), (249, 85928), (276, 77522), (332, 64446), (467, 45816), (498, 42964), (552, 38761), (664, 32223), (934, 22908), (996, 21482), (1401, 15272), (1868, 11454), (1909, 11208), (1992, 10741), (2802, 7636), (3736, 5727), (3818, 5604)]