21450726

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 51150528

約数和(自身を除く): 29699802

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 131, 198, 262, 393, 786, 827, 1179, 1441, 1654, 2358, 2481, 2882, 4323, 4962, 7443, 8646, 9097, 12969, 14886, 18194, 25938, 27291, 54582, 81873, 108337, 163746, 216674, 325011, 650022, 975033, 1191707, 1950066, 2383414, 3575121, 7150242, 10725363, 21450726]

約数ペア:

[(1, 21450726), (2, 10725363), (3, 7150242), (6, 3575121), (9, 2383414), (11, 1950066), (18, 1191707), (22, 975033), (33, 650022), (66, 325011), (99, 216674), (131, 163746), (198, 108337), (262, 81873), (393, 54582), (786, 27291), (827, 25938), (1179, 18194), (1441, 14886), (1654, 12969), (2358, 9097), (2481, 8646), (2882, 7443), (4323, 4962)]