21876752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71963}}^1$

素因数の和:71990

約数の個数: 20

約数和(自身を含む): 44617680

約数和(自身を除く): 22740928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71963, 143926, 287852, 575704, 1151408, 1367297, 2734594, 5469188, 10938376, 21876752]

約数ペア:

[(1, 21876752), (2, 10938376), (4, 5469188), (8, 2734594), (16, 1367297), (19, 1151408), (38, 575704), (76, 287852), (152, 143926), (304, 71963)]