21410528

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16319}}^1$

素因数の和:16370

約数の個数: 24

約数和(自身を含む): 43182720

約数和(自身を除く): 21772192

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16319, 32638, 65276, 130552, 261104, 522208, 669079, 1338158, 2676316, 5352632, 10705264, 21410528]

約数ペア:

[(1, 21410528), (2, 10705264), (4, 5352632), (8, 2676316), (16, 1338158), (32, 669079), (41, 522208), (82, 261104), (164, 130552), (328, 65276), (656, 32638), (1312, 16319)]