21709602

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{881}}^1$

素因数の和:963

約数の個数: 36

約数和(自身を含む): 48397986

約数和(自身を除く): 26688384

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 881, 1369, 1762, 2643, 2738, 4107, 5286, 7929, 8214, 12321, 15858, 24642, 32597, 65194, 97791, 195582, 293373, 586746, 1206089, 2412178, 3618267, 7236534, 10854801, 21709602]

約数ペア:

[(1, 21709602), (2, 10854801), (3, 7236534), (6, 3618267), (9, 2412178), (18, 1206089), (37, 586746), (74, 293373), (111, 195582), (222, 97791), (333, 65194), (666, 32597), (881, 24642), (1369, 15858), (1762, 12321), (2643, 8214), (2738, 7929), (4107, 5286)]