21504984

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3407}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 53982720

約数和(自身を除く): 32477736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 3407, 6312, 6814, 10221, 13628, 20442, 27256, 40884, 81768, 896041, 1792082, 2688123, 3584164, 5376246, 7168328, 10752492, 21504984]

約数ペア:

[(1, 21504984), (2, 10752492), (3, 7168328), (4, 5376246), (6, 3584164), (8, 2688123), (12, 1792082), (24, 896041), (263, 81768), (526, 40884), (789, 27256), (1052, 20442), (1578, 13628), (2104, 10221), (3156, 6814), (3407, 6312)]