21673904

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6673}}^1$

素因数の和:6717

約数の個数: 40

約数和(自身を含む): 49654560

約数和(自身を除く): 27980656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6673, 13346, 26692, 46711, 53384, 93422, 106768, 186844, 193517, 373688, 387034, 747376, 774068, 1354619, 1548136, 2709238, 3096272, 5418476, 10836952, 21673904]

約数ペア:

[(1, 21673904), (2, 10836952), (4, 5418476), (7, 3096272), (8, 2709238), (14, 1548136), (16, 1354619), (28, 774068), (29, 747376), (56, 387034), (58, 373688), (112, 193517), (116, 186844), (203, 106768), (232, 93422), (406, 53384), (464, 46711), (812, 26692), (1624, 13346), (3248, 6673)]