21988788

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16811}}^1$

素因数の和:16927

約数の個数: 24

約数和(自身を含む): 51780960

約数和(自身を除く): 29792172

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16811, 33622, 50433, 67244, 100866, 201732, 1832399, 3664798, 5497197, 7329596, 10994394, 21988788]

約数ペア:

[(1, 21988788), (2, 10994394), (3, 7329596), (4, 5497197), (6, 3664798), (12, 1832399), (109, 201732), (218, 100866), (327, 67244), (436, 50433), (654, 33622), (1308, 16811)]