21334816

素因数分解:

$2^5\times {\mathrm{653}}^1\times {\mathrm{1021}}^1$

素因数の和:1684

約数の個数: 24

約数和(自身を含む): 42108444

約数和(自身を除く): 20773628

約数列:

[1, 2, 4, 8, 16, 32, 653, 1021, 1306, 2042, 2612, 4084, 5224, 8168, 10448, 16336, 20896, 32672, 666713, 1333426, 2666852, 5333704, 10667408, 21334816]

約数ペア:

[(1, 21334816), (2, 10667408), (4, 5333704), (8, 2666852), (16, 1333426), (32, 666713), (653, 32672), (1021, 20896), (1306, 16336), (2042, 10448), (2612, 8168), (4084, 5224)]