21257676

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53681}}^1$

素因数の和:53702

約数の個数: 36

約数和(自身を含む): 58620744

約数和(自身を除く): 37363068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53681, 107362, 161043, 214724, 322086, 483129, 590491, 644172, 966258, 1180982, 1771473, 1932516, 2361964, 3542946, 5314419, 7085892, 10628838, 21257676]

約数ペア:

[(1, 21257676), (2, 10628838), (3, 7085892), (4, 5314419), (6, 3542946), (9, 2361964), (11, 1932516), (12, 1771473), (18, 1180982), (22, 966258), (33, 644172), (36, 590491), (44, 483129), (66, 322086), (99, 214724), (132, 161043), (198, 107362), (396, 53681)]