21415480

素因数分解:

$2^3\times 5^1\times {\mathrm{535387}}^1$

素因数の和:535398

約数の個数: 16

約数和(自身を含む): 48184920

約数和(自身を除く): 26769440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535387, 1070774, 2141548, 2676935, 4283096, 5353870, 10707740, 21415480]

約数ペア:

[(1, 21415480), (2, 10707740), (4, 5353870), (5, 4283096), (8, 2676935), (10, 2141548), (20, 1070774), (40, 535387)]