21140994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12277}}^1$

素因数の和:12330

約数の個数: 32

約数和(自身を含む): 49504896

約数和(自身を除く): 28363902

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12277, 24554, 36831, 73662, 85939, 171878, 257817, 503357, 515634, 1006714, 1510071, 3020142, 3523499, 7046998, 10570497, 21140994]

約数ペア:

[(1, 21140994), (2, 10570497), (3, 7046998), (6, 3523499), (7, 3020142), (14, 1510071), (21, 1006714), (41, 515634), (42, 503357), (82, 257817), (123, 171878), (246, 85939), (287, 73662), (574, 36831), (861, 24554), (1722, 12277)]