21304821890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193680199}}^1$

素因数の和:193680217

約数の個数: 16

約数和(自身を含む): 41834923200

約数和(自身を除く): 20530101310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193680199, 387360398, 968400995, 1936801990, 2130482189, 4260964378, 10652410945, 21304821890]

約数ペア:

[(1, 21304821890), (2, 10652410945), (5, 4260964378), (10, 2130482189), (11, 1936801990), (22, 968400995), (55, 387360398), (110, 193680199)]