21690984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129113}}^1$

素因数の和:129129

約数の個数: 32

約数和(自身を含む): 61974720

約数和(自身を除く): 40283736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129113, 258226, 387339, 516452, 774678, 903791, 1032904, 1549356, 1807582, 2711373, 3098712, 3615164, 5422746, 7230328, 10845492, 21690984]

約数ペア:

[(1, 21690984), (2, 10845492), (3, 7230328), (4, 5422746), (6, 3615164), (7, 3098712), (8, 2711373), (12, 1807582), (14, 1549356), (21, 1032904), (24, 903791), (28, 774678), (42, 516452), (56, 387339), (84, 258226), (168, 129113)]