21616072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{142211}}^1$

素因数の和:142236

約数の個数: 16

約数和(自身を含む): 42663600

約数和(自身を除く): 21047528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 142211, 284422, 568844, 1137688, 2702009, 5404018, 10808036, 21616072]

約数ペア:

[(1, 21616072), (2, 10808036), (4, 5404018), (8, 2702009), (19, 1137688), (38, 568844), (76, 284422), (152, 142211)]