21371412

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16339}}^1$

素因数の和:16455

約数の個数: 24

約数和(自身を含む): 50327200

約数和(自身を除く): 28955788

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16339, 32678, 49017, 65356, 98034, 196068, 1780951, 3561902, 5342853, 7123804, 10685706, 21371412]

約数ペア:

[(1, 21371412), (2, 10685706), (3, 7123804), (4, 5342853), (6, 3561902), (12, 1780951), (109, 196068), (218, 98034), (327, 65356), (436, 49017), (654, 32678), (1308, 16339)]