21007064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2767}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 43014720

約数和(自身を除く): 22007656

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2767, 3796, 5534, 7592, 11068, 22136, 35971, 71942, 143884, 201991, 287768, 403982, 807964, 1615928, 2625883, 5251766, 10503532, 21007064]

約数ペア:

[(1, 21007064), (2, 10503532), (4, 5251766), (8, 2625883), (13, 1615928), (26, 807964), (52, 403982), (73, 287768), (104, 201991), (146, 143884), (292, 71942), (584, 35971), (949, 22136), (1898, 11068), (2767, 7592), (3796, 5534)]