21042476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57809}}^1$

素因数の和:57833

約数の個数: 24

約数和(自身を含む): 45323040

約数和(自身を除く): 24280564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57809, 115618, 231236, 404663, 751517, 809326, 1503034, 1618652, 3006068, 5260619, 10521238, 21042476]

約数ペア:

[(1, 21042476), (2, 10521238), (4, 5260619), (7, 3006068), (13, 1618652), (14, 1503034), (26, 809326), (28, 751517), (52, 404663), (91, 231236), (182, 115618), (364, 57809)]