21713072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22247}}^1$

素因数の和:22316

約数の個数: 20

約数和(自身を含む): 42760656

約数和(自身を除く): 21047584

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22247, 44494, 88988, 177976, 355952, 1357067, 2714134, 5428268, 10856536, 21713072]

約数ペア:

[(1, 21713072), (2, 10856536), (4, 5428268), (8, 2714134), (16, 1357067), (61, 355952), (122, 177976), (244, 88988), (488, 44494), (976, 22247)]