21627054

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29694546

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 107, 114, 171, 197, 214, 321, 342, 394, 513, 591, 642, 963, 1026, 1182, 1773, 1926, 2033, 2889, 3546, 3743, 4066, 5319, 5778, 6099, 7486, 10638, 11229, 12198, 18297, 21079, 22458, 33687, 36594, 42158, 54891, 63237, 67374, 101061, 109782, 126474, 189711, 202122, 379422, 400501, 569133, 801002, 1138266, 1201503, 2403006, 3604509, 7209018, 10813527, 21627054]

約数ペア:

[(1, 21627054), (2, 10813527), (3, 7209018), (6, 3604509), (9, 2403006), (18, 1201503), (19, 1138266), (27, 801002), (38, 569133), (54, 400501), (57, 379422), (107, 202122), (114, 189711), (171, 126474), (197, 109782), (214, 101061), (321, 67374), (342, 63237), (394, 54891), (513, 42158), (591, 36594), (642, 33687), (963, 22458), (1026, 21079), (1182, 18297), (1773, 12198), (1926, 11229), (2033, 10638), (2889, 7486), (3546, 6099), (3743, 5778), (4066, 5319)]