21214494

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56123}}^1$

素因数の和:56141

約数の個数: 32

約数和(自身を含む): 53879040

約数和(自身を除く): 32664546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56123, 112246, 168369, 336738, 392861, 505107, 785722, 1010214, 1178583, 1515321, 2357166, 3030642, 3535749, 7071498, 10607247, 21214494]

約数ペア:

[(1, 21214494), (2, 10607247), (3, 7071498), (6, 3535749), (7, 3030642), (9, 2357166), (14, 1515321), (18, 1178583), (21, 1010214), (27, 785722), (42, 505107), (54, 392861), (63, 336738), (126, 168369), (189, 112246), (378, 56123)]