21756462

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39847}}^1$

素因数の和:39872

約数の個数: 32

約数和(自身を含む): 53555712

約数和(自身を除く): 31799250

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39847, 79694, 119541, 239082, 278929, 518011, 557858, 836787, 1036022, 1554033, 1673574, 3108066, 3626077, 7252154, 10878231, 21756462]

約数ペア:

[(1, 21756462), (2, 10878231), (3, 7252154), (6, 3626077), (7, 3108066), (13, 1673574), (14, 1554033), (21, 1036022), (26, 836787), (39, 557858), (42, 518011), (78, 278929), (91, 239082), (182, 119541), (273, 79694), (546, 39847)]