21889450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39799}}^1$

素因数の和:39822

約数の個数: 24

約数和(自身を含む): 44416800

約数和(自身を除く): 22527350

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39799, 79598, 198995, 397990, 437789, 875578, 994975, 1989950, 2188945, 4377890, 10944725, 21889450]

約数ペア:

[(1, 21889450), (2, 10944725), (5, 4377890), (10, 2188945), (11, 1989950), (22, 994975), (25, 875578), (50, 437789), (55, 397990), (110, 198995), (275, 79598), (550, 39799)]