21651504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64439}}^1$

素因数の和:64457

約数の個数: 40

約数和(自身を含む): 63924480

約数和(自身を除く): 42272976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64439, 128878, 193317, 257756, 386634, 451073, 515512, 773268, 902146, 1031024, 1353219, 1546536, 1804292, 2706438, 3093072, 3608584, 5412876, 7217168, 10825752, 21651504]

約数ペア:

[(1, 21651504), (2, 10825752), (3, 7217168), (4, 5412876), (6, 3608584), (7, 3093072), (8, 2706438), (12, 1804292), (14, 1546536), (16, 1353219), (21, 1031024), (24, 902146), (28, 773268), (42, 515512), (48, 451073), (56, 386634), (84, 257756), (112, 193317), (168, 128878), (336, 64439)]