21396424

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9319}}^1$

素因数の和:9373

約数の個数: 32

約数和(自身を含む): 46972800

約数和(自身を除く): 25576376

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9319, 18638, 37276, 65233, 74552, 130466, 260932, 382079, 521864, 764158, 1528316, 2674553, 3056632, 5349106, 10698212, 21396424]

約数ペア:

[(1, 21396424), (2, 10698212), (4, 5349106), (7, 3056632), (8, 2674553), (14, 1528316), (28, 764158), (41, 521864), (56, 382079), (82, 260932), (164, 130466), (287, 74552), (328, 65233), (574, 37276), (1148, 18638), (2296, 9319)]