21377174

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 40031040

約数和(自身を除く): 18653866

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1609, 1898, 3218, 6643, 11263, 13286, 20917, 22526, 41834, 117457, 146419, 234914, 292838, 822199, 1526941, 1644398, 3053882, 10688587, 21377174]

約数ペア:

[(1, 21377174), (2, 10688587), (7, 3053882), (13, 1644398), (14, 1526941), (26, 822199), (73, 292838), (91, 234914), (146, 146419), (182, 117457), (511, 41834), (949, 22526), (1022, 20917), (1609, 13286), (1898, 11263), (3218, 6643)]