21668304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64489}}^1$

素因数の和:64507

約数の個数: 40

約数和(自身を含む): 63974080

約数和(自身を除く): 42305776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64489, 128978, 193467, 257956, 386934, 451423, 515912, 773868, 902846, 1031824, 1354269, 1547736, 1805692, 2708538, 3095472, 3611384, 5417076, 7222768, 10834152, 21668304]

約数ペア:

[(1, 21668304), (2, 10834152), (3, 7222768), (4, 5417076), (6, 3611384), (7, 3095472), (8, 2708538), (12, 1805692), (14, 1547736), (16, 1354269), (21, 1031824), (24, 902846), (28, 773868), (42, 515912), (48, 451423), (56, 386934), (84, 257956), (112, 193467), (168, 128978), (336, 64489)]