21331936

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22697504

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 127, 181, 232, 254, 362, 464, 508, 724, 928, 1016, 1448, 2032, 2896, 3683, 4064, 5249, 5792, 7366, 10498, 14732, 20996, 22987, 29464, 41992, 45974, 58928, 83984, 91948, 117856, 167968, 183896, 367792, 666623, 735584, 1333246, 2666492, 5332984, 10665968, 21331936]

約数ペア:

[(1, 21331936), (2, 10665968), (4, 5332984), (8, 2666492), (16, 1333246), (29, 735584), (32, 666623), (58, 367792), (116, 183896), (127, 167968), (181, 117856), (232, 91948), (254, 83984), (362, 58928), (464, 45974), (508, 41992), (724, 29464), (928, 22987), (1016, 20996), (1448, 14732), (2032, 10498), (2896, 7366), (3683, 5792), (4064, 5249)]