21347214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4663}}^1$

素因数の和:4784

約数の個数: 32

約数和(自身を含む): 49251840

約数和(自身を除く): 27904626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 4663, 9326, 13989, 27978, 32641, 65282, 97923, 195846, 508267, 1016534, 1524801, 3049602, 3557869, 7115738, 10673607, 21347214]

約数ペア:

[(1, 21347214), (2, 10673607), (3, 7115738), (6, 3557869), (7, 3049602), (14, 1524801), (21, 1016534), (42, 508267), (109, 195846), (218, 97923), (327, 65282), (654, 32641), (763, 27978), (1526, 13989), (2289, 9326), (4578, 4663)]