21799538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 13783438

約数列:

[1, 2, 23, 43, 46, 86, 103, 107, 206, 214, 989, 1978, 2369, 2461, 4429, 4601, 4738, 4922, 8858, 9202, 11021, 22042, 101867, 105823, 203734, 211646, 253483, 473903, 506966, 947806, 10899769, 21799538]

約数ペア:

[(1, 21799538), (2, 10899769), (23, 947806), (43, 506966), (46, 473903), (86, 253483), (103, 211646), (107, 203734), (206, 105823), (214, 101867), (989, 22042), (1978, 11021), (2369, 9202), (2461, 8858), (4429, 4922), (4601, 4738)]