21664076

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1033}}^1$

素因数の和:1158

約数の個数: 36

約数和(自身を含む): 44557128

約数和(自身を除く): 22893052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 1033, 1498, 2066, 2996, 4132, 5243, 7231, 10486, 14462, 20972, 28924, 50617, 101234, 110531, 202468, 221062, 442124, 773717, 1547434, 3094868, 5416019, 10832038, 21664076]

約数ペア:

[(1, 21664076), (2, 10832038), (4, 5416019), (7, 3094868), (14, 1547434), (28, 773717), (49, 442124), (98, 221062), (107, 202468), (196, 110531), (214, 101234), (428, 50617), (749, 28924), (1033, 20972), (1498, 14462), (2066, 10486), (2996, 7231), (4132, 5243)]