21504548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11177}}^1$

素因数の和:11231

約数の個数: 24

約数和(自身を含む): 41626872

約数和(自身を除く): 20122324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11177, 22354, 44708, 145301, 290602, 413549, 581204, 827098, 1654196, 5376137, 10752274, 21504548]

約数ペア:

[(1, 21504548), (2, 10752274), (4, 5376137), (13, 1654196), (26, 827098), (37, 581204), (52, 413549), (74, 290602), (148, 145301), (481, 44708), (962, 22354), (1924, 11177)]