21867714

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{617}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 52060320

約数和(自身を除く): 30192606

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 179, 198, 358, 537, 617, 1074, 1234, 1611, 1851, 1969, 3222, 3702, 3938, 5553, 5907, 6787, 11106, 11814, 13574, 17721, 20361, 35442, 40722, 61083, 110443, 122166, 220886, 331329, 662658, 993987, 1214873, 1987974, 2429746, 3644619, 7289238, 10933857, 21867714]

約数ペア:

[(1, 21867714), (2, 10933857), (3, 7289238), (6, 3644619), (9, 2429746), (11, 1987974), (18, 1214873), (22, 993987), (33, 662658), (66, 331329), (99, 220886), (179, 122166), (198, 110443), (358, 61083), (537, 40722), (617, 35442), (1074, 20361), (1234, 17721), (1611, 13574), (1851, 11814), (1969, 11106), (3222, 6787), (3702, 5907), (3938, 5553)]