21538330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1901}}^1$

素因数の和:2022

約数の個数: 32

約数和(自身を含む): 42726528

約数和(自身を除く): 21188198

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 1901, 2266, 3802, 5665, 9505, 11330, 19010, 20911, 41822, 104555, 195803, 209110, 391606, 979015, 1958030, 2153833, 4307666, 10769165, 21538330]

約数ペア:

[(1, 21538330), (2, 10769165), (5, 4307666), (10, 2153833), (11, 1958030), (22, 979015), (55, 391606), (103, 209110), (110, 195803), (206, 104555), (515, 41822), (1030, 20911), (1133, 19010), (1901, 11330), (2266, 9505), (3802, 5665)]