21243636

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{2351}}^1$

素因数の和:2612

約数の個数: 36

約数和(自身を含む): 53936064

約数和(自身を除く): 32692428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 502, 753, 1004, 1506, 2259, 2351, 3012, 4518, 4702, 7053, 9036, 9404, 14106, 21159, 28212, 42318, 84636, 590101, 1180202, 1770303, 2360404, 3540606, 5310909, 7081212, 10621818, 21243636]

約数ペア:

[(1, 21243636), (2, 10621818), (3, 7081212), (4, 5310909), (6, 3540606), (9, 2360404), (12, 1770303), (18, 1180202), (36, 590101), (251, 84636), (502, 42318), (753, 28212), (1004, 21159), (1506, 14106), (2259, 9404), (2351, 9036), (3012, 7053), (4518, 4702)]