21956363

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2897}}^1$

素因数の和:2974

約数の個数: 16

約数和(自身を含む): 26290656

約数和(自身を除く): 4334293

約数列:

[1, 11, 13, 53, 143, 583, 689, 2897, 7579, 31867, 37661, 153541, 414271, 1688951, 1996033, 21956363]

約数ペア:

[(1, 21956363), (11, 1996033), (13, 1688951), (53, 414271), (143, 153541), (583, 37661), (689, 31867), (2897, 7579)]